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. Humboldt Park Humboldt Park
    57 1 hour

    Humboldt Park

    Humboldt (Alexander Von) Park

    Humboldt Park is a 207-acre historic public park on Chicago's West Side and the centerpiece of the surrounding neighborhood. The park combines designed landscape, recreation, and Puerto Rican cultural importance.

    • High
    • Nature site
    • Chicago
  2. Kenilworth Park and Aquatic Gardens Kenilworth Park and Aquatic Gardens
    58 1 hour

    Kenilworth Park and Aquatic Gardens

    Kenilworth Park & Aquatic Gardens

    Kenilworth Park and Aquatic Gardens is a National Park Service site in Washington, D.C. It preserves marsh, pond, and aquatic garden habitats along the Anacostia River.

    • High
    • Nature site
    • Washington
  3. Meridian Hill/Malcolm X Park Meridian Hill/Malcolm X Park
    59 1 hour

    Meridian Hill/Malcolm X Park

    Meridian Hill Park, also called Malcolm X Park, is a formal terraced public park in Washington, D.C. Set on a hillside, it is known for landscape architecture, layered gardens, and a strong neighborhood identity.

    • High
    • Nature site
    • Washington
  4. Miami Circle Miami Circle
    60 1 hour

    Miami Circle

    Miami Circle at Brickell Point

    Miami Circle is an archaeological site at Brickell Point, on the southern bank of the Miami River in downtown Miami. The principal feature is a near-perfect circle cut into the limestone bedrock, measuring about 38 feet across.

    • High
    • Nature site
    • Miami
  5. Cambridge Common Cambridge Common
    61 1 hour

    Cambridge Common

    Cambridge Common is a historic public park in Cambridge, Massachusetts, adjacent to Harvard Square. The common has served as a communal gathering space since the colonial era and holds significance in American Revolutionary history.

    • High
    • Nature site
    • Boston
  6. Japanese Tea Garden Japanese Tea Garden
    62 1 hour

    Japanese Tea Garden

    The Japanese Tea Garden is a historic Japanese landscape garden located in San Francisco's Golden Gate Park.

    • High
    • Nature site
    • San Francisco
  7. San Francisco Botanical Garden San Francisco Botanical Garden
    63 1 hour

    San Francisco Botanical Garden

    San Francisco Botanical Garden is a botanical garden and arboretum located within Golden Gate Park in San Francisco, California. It occupies a significant portion of the park's western end.

    • High
    • Nature site
    • San Francisco
  8. Domino Park Domino Park
    64 1 hour

    Domino Park

    Domino Park is a public waterfront park in Brooklyn, New York City. It occupies a portion of the former Domino Sugar refinery site along the East River in the Williamsburg neighborhood.

    • High
    • Nature site
    • New York
  9. Mission Dolores Park Mission Dolores Park
    65 1 hour

    Mission Dolores Park

    Mission Dolores Park is a major urban park in San Francisco's Mission District. It occupies a sloped site that provides celebrated views toward the downtown skyline.

    • High
    • Nature site
    • San Francisco
  10. Harry P. Leu Gardens Harry P. Leu Gardens
    66 1 hour

    Harry P. Leu Gardens

    Harry P. Leu Gardens is a botanical garden and historic estate north of downtown Orlando. The visit combines planted garden rooms, mature trees, specialist collections, palms, seasonal colour, and the preserved Leu House Museum.

    • High
    • Nature site
    • Orlando
  11. The Barnacle Historic State Park The Barnacle Historic State Park
    67 1 hour

    The Barnacle Historic State Park

    The Barnacle Historic State Park is a preserved 1891 bayside house and grounds located in Coconut Grove, Miami. It represents one of the oldest houses in Miami-Dade County still standing in its original location.

    • High
    • Nature site
    • Miami
  12. Bayfront Park Bayfront Park
    68 1 hour

    Bayfront Park

    Bayfront Park is a public civic waterfront park on the eastern edge of Downtown Miami, where open lawns, paved paths and gathering spaces meet Biscayne Bay.

    • High
    • Nature site
    • Miami
  13. Brooklyn Bridge Park Brooklyn Bridge Park
    69 1 hour

    Brooklyn Bridge Park

    Brooklyn Bridge Park is a public park on the Brooklyn waterfront, spanning the East River shoreline beneath and adjacent to the Brooklyn Bridge.

    • High
    • Nature site
    • New York
  14. Lanikai Beach Lanikai Beach
    70 1 hour

    Lanikai Beach

    Lanikai Beach is a residential Windward Oʻahu beach known for pale sand and views toward the Mokulua islets.

    • High
    • Nature site
    • Honolulu
  15. Constitution Gardens Constitution Gardens
    71 1 hour

    Constitution Gardens

    Constitution Gardens is a landscape area on the National Mall in Washington, D.C. It occupies a 50-acre site between the Lincoln Memorial and the Washington Monument.

    • High
    • Nature site
    • Washington
  16. Lake Merced Lake Merced
    72 1 hour

    Lake Merced

    Lake Merced is a large freshwater lake and recreational landscape situated at the southwest edge of San Francisco. The lake and its surrounding parkland form a significant natural amenity within the urban environment, offering open space for residents and visitors.

    • High
    • Nature site
    • San Francisco
  17. Maurice A. Ferré Park Maurice A. Ferré Park
    73 1 hour

    Maurice A. Ferré Park

    Maurice A. Ferré Park is a bayfront public green space in downtown Miami, Florida.

    • High
    • Nature site
    • Miami
  18. Oak Street Beach Oak Street Beach
    74 1 hour

    Oak Street Beach

    Oak Street Beach is a public beach on the Lake Michigan shoreline in Chicago's Near North Side. It sits directly below the Gold Coast neighborhood, one of the city's most affluent residential districts.

    • High
    • Nature site
    • Chicago
  19. Santa Monica State Beach Santa Monica State Beach
    75 1 hour

    Santa Monica State Beach

    Santa Monica State Beach is a major public beach in Los Angeles County, California, operated by the California Department of Parks and Recreation and the City of Santa Monica.

    • High
    • Nature site
    • Los Angeles
  20. Ho'omaluhia Botanical Garden Ho'omaluhia Botanical Garden
    76 1 hour

    Ho'omaluhia Botanical Garden

    Ho'omaluhia Botanical Garden is a large botanical garden on the windward side of O'ahu, Hawaii. Established in 1982, the garden spans approximately 400 acres in the Kane'ohe area.

    • High
    • Nature site
    • Honolulu
  21. Maggie Daley Park Maggie Daley Park
    77 1 hour

    Maggie Daley Park

    Maggie Daley Park is a large downtown recreation park in Chicago, Illinois. It adjoins Millennium Park and is named in honour of Maggie Daley, the former first lady of Chicago.

    • High
    • Nature site
    • Chicago
  22. Buena Vista Park Buena Vista Park
    78 1 hour

    Buena Vista Park

    Buena Vista Park is San Francisco’s oldest public park, established in 1867 on a wooded hill between the Castro and Haight-Ashbury neighborhoods.

    • High
    • Nature site
    • San Francisco
  23. Castle Island Castle Island
    79 1 hour

    Castle Island

    Castle Island is a 22-acre landmass connected to South Boston by a narrow causeway, forming a peninsula in Boston Harbor.

    • High
    • Nature site
    • Boston
  24. Exposition Park Exposition Park
    80 1 hour

    Exposition Park

    Exposition Park is a public urban park in Los Angeles, California. It functions as a cultural campus containing multiple institutions within its grounds. The park serves as a recreational green space while hosting significant cultural, educational, and sporting venues.

    • High
    • Nature site
    • Los Angeles
  25. Northerly Island Northerly Island
    81 1 hour

    Northerly Island

    Northerly Island is a 91-acre peninsula and former airport site on Chicago's lakefront, converted into a public park and natural area. It extends into Lake Michigan south of the Museum Campus.

    • High
    • Nature site
    • Chicago

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.