A photograph of United States

Country guide

United States

At 9,833,520 km² the United States has the fourth-largest land area in the world, and its 50 states and federal district span enough longitude that the ordinary...

Photograph · Tuxyso · CC BY-SA 3.0

43,277 Places
10Cities

Reviewed by Elena Voss · Roavina Travel Editor

At 9,833,520 km² the United States has the fourth-largest land area in the world, and its 50 states and federal district span enough longitude that the ordinary clock runs from UTC−4 to UTC−10, with the territories reaching −12, +10 and +11. The 2025 population estimate is 341,784,857. Washington, D.C. is the capital and New York the largest city, but neither stands in for the rest of it. Distance is the planning problem here, not choice: a trip works far better as one region covered properly than as anything resembling a national tour.

Checked 2026-08-25

Cities

Every city catalogued in this country so far, ranked by how much there is to see.

Practical information

Language spoken
English is the principal language; no federal official language
National practical orientation; regional and minority languages may also be used
Dialling code
+1
International calling code; local area and mobile prefixes still apply
Currency
United States dollar (USD)
Use the official local currency; card acceptance varies by place
Emergency number
911
Use only for an emergency; tourist assistance may use a separate number
Plug type
Type A and B · 120 V
Check that chargers support the recorded voltage before using an adapter
Tap water
Not recorded
Water quality is regulated locally; check the current notice for the destination

Top things to see

Ranked by importance — sitelinks, pageviews and heritage status, not editor preference.

  1. United States Holocaust Memorial Museum United States Holocaust Memorial Museum
    32 1 hr 30 min

    United States Holocaust Memorial Museum

    U.S. Holocaust Memorial Museum

    The U.S. Holocaust Memorial Museum is a national institution in Washington, DC devoted to documenting the Holocaust and preserving its human meaning through evidence, testimony and remembrance.

    • Must see
    • Museum
    • Washington
  2. National Museum of Women in the Arts National Museum of Women in the Arts
    33 1 hr 30 min

    National Museum of Women in the Arts

    The National Museum of Women in the Arts is the world's first major museum dedicated solely to women artists. Located in Washington, D.C., it occupies a historic former Masonic temple building.

    • Must see
    • Museum
    • Washington
  3. National Building Museum National Building Museum
    34 1 hr 30 min

    National Building Museum

    The National Building Museum is an architecture and design museum in Washington, D.C., housed in the former Pension Building. Its subject is the built environment: architecture, engineering, design, construction, and urban planning.

    • Must see
    • Museum
    • Washington
  4. USS Pampanito USS Pampanito
    35 1 hr 30 min

    USS Pampanito

    USS Pampanito is a World War II-era Gato-class submarine preserved as a museum ship at San Francisco's Hyde Street Pier. Commissioned in 1943, she completed six war patrols in the Pacific Theater.

    • Must see
    • Museum
    • San Francisco
  5. Los Angeles County Museum of Art Los Angeles County Museum of Art
    36 1 hr 30 min

    Los Angeles County Museum of Art

    LACMA grew from the Los Angeles Museum of History, Science and Art and became an independent art museum in the 1960s.

    • Must see
    • Museum
    • Los Angeles
  6. Whitney Museum of American Art Whitney Museum of American Art
    37 1 hr 30 min

    Whitney Museum of American Art

    The Whitney Museum of American Art is a major institution in New York City dedicated to twentieth and twenty-first century American art.

    • Must see
    • Museum
    • New York
  7. Arts and Industries Building Arts and Industries Building
    38 1 hr 30 min

    Arts and Industries Building

    The Arts and Industries Building is a historic Smithsonian museum structure located on the National Mall in Washington, D.C. Constructed in 1881, it was designed to house the United States National Museum's growing collections.

    • Must see
    • Museum
    • Washington
  8. Renwick Gallery Renwick Gallery
    39 1 hr 30 min

    Renwick Gallery

    The Renwick Gallery is a branch of the Smithsonian American Art Museum, located near the White House in Washington, D.C.

    • Must see
    • Museum
    • Washington
  9. The Frick Collection The Frick Collection
    40 1 hr 30 min

    The Frick Collection

    Frick Collection

    The Frick Collection is an art museum housed in the former mansion of industrialist Henry Clay Frick. Located on the Upper East Side of Manhattan, it occupies a Gilded Age residence designed for grand domestic living.

    • Must see
    • Museum
    • New York
  10. Honolulu Museum of Art Honolulu Museum of Art
    41 1 hr 30 min

    Honolulu Museum of Art

    The Honolulu Museum of Art

    Honolulu Museum of Art is Honolulu’s principal public art museum, connecting Hawaiʻi, Asia, the Pacific, Europe, and the Americas.

    • Must see
    • Museum
    • Honolulu
  11. National Museum of the American Indian National Museum of the American Indian
    42 1 hr 30 min

    National Museum of the American Indian

    The National Museum of the American Indian is a Smithsonian museum in Washington, D.C., dedicated to the cultures of Indigenous peoples of the Americas. Its Washington location occupies a distinctive building on the National Mall.

    • Must see
    • Museum
    • Washington
  12. Hull House Hull House
    43 1 hr 30 min

    Hull House

    Jane Addams Hull-House Museum

    The Jane Addams Hull-House Museum is a settlement-house museum located in Chicago, Illinois. It preserves and interprets the history of Hull House, founded in 1889 by Jane Addams and Ellen Gates Starr.

    • Must see
    • Museum
    • Chicago
  13. M. H. de Young Memorial Museum M. H. de Young Memorial Museum
    44 1 hr 30 min

    M. H. de Young Memorial Museum

    de Young Museum

    The de Young Museum is the leading fine-arts museum located in San Francisco's Golden Gate Park.

    • Must see
    • Museum
    • San Francisco
  14. National Museum of African Art National Museum of African Art
    45 1 hr 30 min

    National Museum of African Art

    The National Museum of African Art is the Smithsonian Institution’s museum devoted to the arts of Africa, beneath the National Mall in Washington, D.C.

    • Must see
    • Museum
    • Washington
  15. Anacostia Community Museum Anacostia Community Museum
    46 1 hr 30 min

    Anacostia Community Museum

    The Anacostia Community Museum is a Smithsonian Institution museum located in Washington, D.C.'s Anacostia neighborhood. Established in 1967, it was originally founded as the Anacostia Neighborhood Museum with a mission to serve the local community.

    • Must see
    • Museum
    • Washington
  16. Hirshhorn Museum and Sculpture Garden Hirshhorn Museum and Sculpture Garden
    47 1 hr 30 min

    Hirshhorn Museum and Sculpture Garden

    Hirshhorn Museum

    The Hirshhorn Museum and Sculpture Garden is the Smithsonian Institution's museum dedicated to modern and contemporary art. Located on the National Mall in Washington, D.C., it features a distinctive cylindrical building designed by Gordon Bunshaft.

    • Must see
    • Museum
    • Washington
  17. John F. Kennedy Presidential Library and Museum John F. Kennedy Presidential Library and Museum
    48 1 hr 30 min

    John F. Kennedy Presidential Library and Museum

    The John F. Kennedy Presidential Library and Museum is a National presidential library and museum located on Columbia Point in Boston. It serves as the official repository for documents and artifacts from the presidency of John F.

    • Must see
    • Museum
    • Boston
  18. Old State House Old State House
    49 1 hr 30 min

    Old State House

    The Old State House is a historic colonial government building in Boston, Massachusetts. Constructed in 1713, it served as the seat of the Massachusetts colonial government and later the state government until 1798.

    • Must see
    • Museum
    • Boston
  19. Museum of Contemporary Art, Los Angeles Museum of Contemporary Art, Los Angeles
    50 1 hr 30 min

    Museum of Contemporary Art, Los Angeles

    Museum of Contemporary Art

    The Museum of Contemporary Art, Los Angeles (MOCA) is a leading contemporary-art institution with a downtown presence. Founded in 1979, it operates multiple locations in the Los Angeles area.

    • Must see
    • Museum
    • Los Angeles
  20. Norton Simon Museum Norton Simon Museum
    51 1 hr 30 min

    Norton Simon Museum

    Norton Simon Museum of Art

    The Norton Simon Museum is a major art museum located in Pasadena, California, within the greater Los Angeles area. It holds significant collections of European paintings, sculpture, and Asian art.

    • Must see
    • Museum
    • Los Angeles
  21. Tenement Museum Tenement Museum
    52 1 hr 30 min

    Tenement Museum

    Lower East Side Tenement Museum

    The Tenement Museum occupies the former tenement at 97 Orchard Street on Manhattan’s Lower East Side. The building preserves and interprets the lives of working-class immigrant families who lived there between 1863 and 1935.

    • Must see
    • Museum
    • New York
  22. Hollyhock House Hollyhock House
    53 1 hr 30 min

    Hollyhock House

    Hollyhock House is a historic residence in Los Angeles designed by architect Frank Lloyd Wright. Built between 1919 and 1921, it represents Wright's first Los Angeles commission.

    • Must see
    • Museum
    • Los Angeles
  23. Getty Villa Getty Villa
    54 1 hr 30 min

    Getty Villa

    The Getty Villa

    The Getty Villa is an antiquities museum in Pacific Palisades, Los Angeles. It is part of the J. Paul Getty Museum system.

    • Must see
    • Museum
    • Los Angeles
  24. National Museum of African American History and Culture National Museum of African American History and Culture
    55 1 hr 30 min

    National Museum of African American History and Culture

    The National Museum of African American History and Culture is the Smithsonian’s purpose-built museum of African American life, history, and culture on the National Mall.

    • Must see
    • Museum
    • Washington
  25. The Phillips Collection The Phillips Collection
    56 1 hr 30 min

    The Phillips Collection

    The Phillips Collection is the United States' first museum of modern art, located in the Dupont Circle neighborhood of Washington, D.C.

    • Must see
    • Museum
    • Washington

Source: OpenStreetMap contributors, Wikidata ·

Common questions

How long should a first trip to United States be?

Ten to fourteen days should focus on one US region: New York, Washington, and Boston work together by rail, while San Francisco, Los Angeles, and Las Vegas form a different trip. Miami, Orlando, and Honolulu each require separate travel time and should not be appended casually.

What entry documents are needed for United States?

US admission depends on passport, visa status, and eligibility for the Visa Waiver Program and ESTA. Confirm both the Department of State visa guidance and Customs and Border Protection requirements for the actual route.

What is the best way to travel around United States?

Domestic flights are often necessary between US regions, while Amtrak is strongest on the Northeast Corridor. A car is unnecessary in New York or Washington but can be useful in Los Angeles and beyond compact city centres.

When is a practical time to visit United States?

April to May and September to October are broad shoulder-season references, not a national weather forecast. Florida heat, western wildfire conditions, hurricane exposure, and Hawaii's trans-Pacific logistics require destination-specific checks.

What money and payment basics apply in United States?

The United States uses the US dollar (USD). Card use is widespread, but taxes, deposits, and gratuities can make the final amount differ from the displayed base price; keep a second payment method for holds or terminal failures.

What practical safety details should I save for United States?

Dial 911 for police, fire, or medical emergencies in the United States. Type A and B sockets use 120 V; national tap-water safety is not recorded here, so consult the local utility or accommodation.