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. Washington Square Washington Square
    101 1 hour

    Washington Square

    Washington Square Park

    Washington Square is a public park and civic green in San Francisco's North Beach neighborhood. The square functions as a neighborhood gathering space and recreational area for residents and visitors.

    • High
    • Nature site
    • San Francisco
  2. Kakaako Waterfront Park Kakaako Waterfront Park
    102 1 hour

    Kakaako Waterfront Park

    Kakaʻako Waterfront Park is an open coastal park in Honolulu’s Kakaʻako district. Built on reclaimed industrial land, it gives visitors a broad Pacific outlook and a direct connection with the shoreline.

    • High
    • Nature site
    • Honolulu
  3. Peacock Park Peacock Park
    103 1 hour

    Peacock Park

    Peacock Park is a bayfront public park located in Coconut Grove, Miami. It serves as both a recreational green space and a venue for public events.

    • High
    • Nature site
    • Miami
  4. Simpson Park Hammock Simpson Park Hammock
    104 1 hour

    Simpson Park Hammock

    Simpson Park

    Simpson Park Hammock is a rare tropical hardwood hammock preserve located in the Brickell neighborhood of Miami, Florida.

    • High
    • Nature site
    • Miami
  5. Georgetown Waterfront Park Georgetown Waterfront Park
    105 1 hour

    Georgetown Waterfront Park

    Georgetown Waterfront Park is a Potomac-side public park at the edge of historic Georgetown in Washington, D.C.

    • High
    • Nature site
    • Washington
  6. Jamaica Pond Jamaica Pond
    106 1 hour

    Jamaica Pond

    Jamaica Pond is a large freshwater pond in Boston, Massachusetts. It forms a significant part of Frederick Law Olmsted's Emerald Necklace, a chain of parks designed in the late nineteenth century.

    • High
    • Nature site
    • Boston
  7. Marina Green Marina Green
    107 1 hour

    Marina Green

    Marina Green is a broad bayfront public open space in San Francisco’s Marina District. Its grassy lawn and waterfront position create an open, relaxed contrast with the city’s denser streets.

    • High
    • Nature site
    • San Francisco
  8. Ping Tom Memorial Park Ping Tom Memorial Park
    108 1 hour

    Ping Tom Memorial Park

    Ping Tom Memorial Park is a riverfront public park in Chicago's Chinatown. It brings open space, walking paths, lawns, trees, seating, and water views into a dense urban neighborhood.

    • High
    • Nature site
    • Chicago
  9. Socrates Sculpture Park Socrates Sculpture Park
    109 1 hour

    Socrates Sculpture Park

    Socrates Sculpture Park is an outdoor museum and public park located in Long Island City, Queens. Established on a former landfill site along the East River, it occupies waterfront land with views of the Manhattan skyline.

    • High
    • Nature site
    • New York
  10. Spectacle Island Spectacle Island
    110 1 hour

    Spectacle Island

    Spectacle Island is one of the Boston Harbor Islands, located in Massachusetts Bay. It is a publicly accessible island managed as part of the Boston Harbor Islands National and State Park.

    • High
    • Nature site
    • Boston
  11. Sutro Heights Park Sutro Heights Park
    111 1 hour

    Sutro Heights Park

    Sutro Heights Park is a historic bluff-top public park in San Francisco's Outer Richmond district.

    • High
    • Nature site
    • San Francisco
  12. Ala Moana Beach Park Ala Moana Beach Park
    112 1 hour

    Ala Moana Beach Park

    Ala Moana Beach Park is a large sheltered urban beach park located opposite the Ala Moana Center in Honolulu, Hawaii.

    • High
    • Nature site
    • Honolulu
  13. Charles River Esplanade Charles River Esplanade
    113 1 hour

    Charles River Esplanade

    The Charles River Esplanade is a central riverside park and outdoor-events landscape along the Boston shore of the Charles River. It functions as a linear public park system extending from the Boston Museum of Science to the Boston University Bridge.

    • High
    • Nature site
    • Boston
  14. Corona Heights Park Corona Heights Park
    114 1 hour

    Corona Heights Park

    Corona Heights Park is a compact public park atop a rocky hill in San Francisco, California. The park occupies a prominent outcrop of Franciscan chert, offering unusually broad panoramic views across the city.

    • High
    • Nature site
    • San Francisco
  15. Embarcadero Plaza Embarcadero Plaza
    115 1 hour

    Embarcadero Plaza

    Embarcadero Plaza is a civic plaza located on San Francisco's eastern waterfront, adjacent to the historic Ferry Building.

    • High
    • Nature site
    • San Francisco
  16. Floyd Lamb Park Floyd Lamb Park
    116 1 hour

    Floyd Lamb Park

    Floyd Lamb Park at Tule Springs

    Floyd Lamb Park at Tule Springs is a historic ranch landscape and large public park located in Las Vegas, Nevada. The site encompasses former ranch lands centered on natural springs that sustained human activity for millennia.

    • High
    • Nature site
    • Las Vegas
  17. Glen Canyon Park Glen Canyon Park
    117 1 hour

    Glen Canyon Park

    Glen Canyon Park preserves a rare natural canyon within San Francisco. Islais Creek runs through steep rocky slopes, grassland, coastal scrub, and riparian vegetation.

    • High
    • Nature site
    • San Francisco
  18. Oz Park Oz Park
    118 1 hour

    Oz Park

    Oz Park is a neighbourhood park in Chicago’s Lincoln Park area, known for its public art inspired by L. Frank Baum’s The Wonderful Wizard of Oz.

    • High
    • Nature site
    • Chicago
  19. Tank Hill Tank Hill
    119 1 hour

    Tank Hill

    Tank Hill is a compact open-space summit and viewpoint in San Francisco. Managed as part of the city’s park system, it offers a close perspective across central San Francisco from a residential hilltop setting.

    • High
    • Nature site
    • San Francisco
  20. Topanga State Park Topanga State Park
    120 1 hour

    Topanga State Park

    Topanga State Park is a broad protected landscape in the Santa Monica Mountains within Los Angeles.

    • High
    • Nature site
    • Los Angeles
  21. Tropical Park Tropical Park
    121 1 hour

    Tropical Park

    Tropical Park is a large Miami-Dade County recreation park in Miami, Florida. It is best understood as a broad outdoor destination rather than a single monument or enclosed attraction.

    • High
    • Nature site
    • Miami
  22. Alamo Square Park Alamo Square Park
    122 1 hour

    Alamo Square Park

    Alamo Square

    Alamo Square is a public park in San Francisco, California. The park occupies a hilltop location in the Western Addition neighborhood and provides elevated views across the city.

    • High
    • Nature site
    • San Francisco
  23. Christopher Columbus Park Christopher Columbus Park
    123 1 hour

    Christopher Columbus Park

    Christopher Columbus Waterfront Park

    Christopher Columbus Waterfront Park is a public waterfront park in Boston's North End. It sits beside Boston Harbor and offers views toward the downtown skyline, making it a natural pause during a walk through the historic neighborhood.

    • Notable
    • Nature site
    • Boston
  24. James P. Kelleher Rose Garden James P. Kelleher Rose Garden
    124 1 hour

    James P. Kelleher Rose Garden

    James P. Kelleher Rose Garden is a formal rose garden located within the Back Bay Fens in Boston, Massachusetts. It is part of the Emerald Necklace park system designed by Frederick Law Olmsted.

    • Notable
    • Nature site
    • Boston
  25. Anacostia Park Anacostia Park
    125 1 hour

    Anacostia Park

    Anacostia Park is a large riverside park in Washington, D.C., situated along the Anacostia River. The park provides public access to the river and contains various recreation areas for visitors.

    • Notable
    • Nature site
    • 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.