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. Institute for the Study of Ancient Cultures Institute for the Study of Ancient Cultures
    126 1 hr 30 min

    Institute for the Study of Ancient Cultures

    Institute for the Study of Ancient Cultures Museum

    The Institute for the Study of Ancient Cultures is a museum operated by the University of Chicago. It houses major archaeological collections from West Asia and North Africa.

    • High
    • Museum
    • Chicago
  2. USS Cassin Young USS Cassin Young
    127 1 hr 30 min

    USS Cassin Young

    USS Cassin Young is a preserved Fletcher-class destroyer of the United States Navy, now a museum ship at Charlestown Navy Yard in Boston, Massachusetts. The vessel saw service in World War II and the Korean War.

    • High
    • Museum
    • Boston
  3. Museum of the Bible Museum of the Bible
    128 1 hr 30 min

    Museum of the Bible

    The Museum of the Bible is a large museum in Washington, D.C. dedicated to examining the Bible's history, narrative, and cultural influence. It opened in 2017 near the National Mall.

    • High
    • Museum
    • Washington
  4. National Postal Museum National Postal Museum
    129 1 hr 30 min

    National Postal Museum

    The National Postal Museum is a Smithsonian Institution museum dedicated to the history of the United States Postal Service and philately. Located adjacent to Union Station in Washington, D.C., it occupies the historic City Post Office building constructed in 1914.

    • High
    • Museum
    • Washington
  5. Wrigley Building Wrigley Building
    130 2 hours

    Wrigley Building

    The Wrigley Building is a prominent office building and Chicago landmark located on the Near North Side, directly across Michigan Avenue from the Tribune Tower.

    • High
    • Activity
    • Chicago
  6. Arthur M. Sackler Gallery Arthur M. Sackler Gallery
    131 1 hr 30 min

    Arthur M. Sackler Gallery

    National Museum of Asian Art

    The National Museum of Asian Art is the Smithsonian Institution's national museum devoted to Asian art. It brings together the Freer Gallery of Art and the Arthur M.

    • High
    • Museum
    • Washington
  7. Academy Museum of Motion Pictures Academy Museum of Motion Pictures
    132 1 hr 30 min

    Academy Museum of Motion Pictures

    The Academy Museum of Motion Pictures is a major film museum in Los Angeles tied to the Academy Awards institution. It opened to the public as a dedicated institution for celebrating and exploring the art and science of cinema.

    • High
    • Museum
    • Los Angeles
  8. Pérez Art Museum Miami Pérez Art Museum Miami
    133 1 hr 30 min

    Pérez Art Museum Miami

    Pérez Art Museum Miami is a waterfront museum in Maurice A. Ferré Park, where architecture, terraces and views across Biscayne Bay frame a collection devoted to modern and contemporary art.

    • High
    • Museum
    • Miami
  9. The Broad The Broad
    134 1 hr 30 min

    The Broad

    The Broad Museum

    The museum opened in 2015 to house the collection assembled by Eli and Edythe Broad. The Broad collection is particularly associated with artists working in the second half of the twentieth century and after.

    • High
    • Museum
    • Los Angeles
  10. Adams National Historical Park Adams National Historical Park
    135 1 hr 30 min

    Adams National Historical Park

    Adams National Historical Park is a National Park Service unit preserving the homes and grounds associated with the Adams family in Quincy, Massachusetts, within the Boston visitor-metro area.

    • High
    • Museum
    • Boston
  11. Eames House Eames House
    136 1 hr 30 min

    Eames House

    The Eames House, also known as Case Study House No. 8, is a landmark modernist residence in Los Angeles, California.

    • High
    • Museum
    • Los Angeles
  12. Louis Armstrong House Louis Armstrong House
    137 1 hr 30 min

    Louis Armstrong House

    Louis Armstrong House Museum

    The Louis Armstrong House Museum preserves the Corona, Queens home where Louis Armstrong and his wife, Lucille, lived from 1943 until Armstrong’s death in 1971.

    • High
    • Museum
    • New York
  13. Michigan Avenue Bridge Michigan Avenue Bridge
    138 1 hr 30 min

    Michigan Avenue Bridge

    McCormick Bridgehouse & Chicago River Museum

    McCormick Bridgehouse & Chicago River Museum occupies the historic bridgehouse at the Michigan Avenue Bridge, now known as the DuSable Bridge, over the Chicago River.

    • High
    • Museum
    • Chicago
  14. Paul Revere House Paul Revere House
    139 1 hr 30 min

    Paul Revere House

    The Paul Revere House is Boston's best-preserved Revolutionary-era house museum. Built around 1680, this wooden structure in the North End is the oldest surviving building in downtown Boston.

    • High
    • Museum
    • Boston
  15. President Lincoln's Cottage at the Soldiers' Home President Lincoln's Cottage at the Soldiers' Home
    140 1 hr 30 min

    President Lincoln's Cottage at the Soldiers' Home

    President Lincoln's Cottage

    President Lincoln's Cottage is a historic house museum on the grounds of the Armed Forces Retirement Home in Washington, D.C. It served as Abraham Lincoln's seasonal residence during his presidency, offering retreat from the White House.

    • High
    • Museum
    • Washington
  16. Museum of Science Museum of Science
    141 1 hr 30 min

    Museum of Science

    The Museum of Science is a major science museum located in Boston, Massachusetts. It spans the Charles River, situated on a dam between Boston and Cambridge.

    • High
    • Museum
    • Boston
  17. Jewish Museum Jewish Museum
    142 1 hr 30 min

    Jewish Museum

    The Jewish Museum

    The Jewish Museum is a museum of Jewish culture, history, and art on Fifth Avenue in Manhattan’s Upper East Side. It occupies a former mansion in the Museum Mile district, placing it among several major cultural institutions.

    • High
    • Museum
    • New York
  18. Museum of the Moving Image Museum of the Moving Image
    143 1 hr 30 min

    Museum of the Moving Image

    Museum of the Moving Image is a museum in Astoria, Queens, devoted to film, television, and digital media. It brings together the creative, technical, and cultural sides of moving images in one visit.

    • High
    • Museum
    • New York
  19. Marina City Marina City
    144 2 hours

    Marina City

    Marina City is a mixed-use residential complex in downtown Chicago, Illinois, notable for its distinctive corncob-shaped twin towers.

    • High
    • Activity
    • Chicago
  20. Museum of Contemporary Art Chicago Museum of Contemporary Art Chicago
    145 1 hr 30 min

    Museum of Contemporary Art Chicago

    Museum of Contemporary Art

    Museum of Contemporary Art Chicago is a contemporary-art museum founded in 1967 near Water Tower Place. Its visitor experience is defined by changing exhibitions, installations, painting, sculpture, media art, performances, commissions, talks, and public spaces.

    • High
    • Museum
    • Chicago
  21. National Zoological Park National Zoological Park
    146 1 hr 30 min

    National Zoological Park

    The National Zoological Park is a Smithsonian Institution zoo in Washington, D.C. Established in 1889, it is one of the oldest zoos in the United States.

    • High
    • Family attraction
    • Washington
  22. Harvard Museum of Natural History Harvard Museum of Natural History
    147 1 hr 30 min

    Harvard Museum of Natural History

    The Harvard Museum of Natural History is Harvard University's public natural-history museum, located in Cambridge, Massachusetts, near Boston.

    • High
    • Museum
    • Boston
  23. Legion of Honor Legion of Honor
    148 1 hr 30 min

    Legion of Honor

    The Legion of Honor is a major European-art museum located in Lincoln Park, San Francisco. It occupies a dramatic coastal setting overlooking the Pacific Ocean and the Golden Gate Bridge.

    • High
    • Museum
    • San Francisco
  24. Andrew Carnegie Mansion Andrew Carnegie Mansion
    149 1 hr 30 min

    Andrew Carnegie Mansion

    Cooper–Hewitt, Smithsonian Design Museum

    The Andrew Carnegie Mansion houses the Cooper–Hewitt, Smithsonian Design Museum, a design museum forming part of the Smithsonian Institution. Located on the Upper East Side of Manhattan, the building was constructed as a private residence for industrialist Andrew Carnegie.

    • High
    • Museum
    • New York
  25. Exploratorium Exploratorium
    150 1 hr 30 min

    Exploratorium

    The Exploratorium is a museum of science, art and human perception at Pier 15 on the Embarcadero. Its galleries are built around experiments that visitors operate, compare and discuss rather than objects viewed from a distance.

    • High
    • Museum
    • San Francisco

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.