Tour operator
1. Boston Duck Tours
Amphibious sightseeing tours that cover central Boston by road before splashing into the Charles River, departing from the Prudential Center, Museum of Science and Aquarium.
View details — Boston Duck ToursTour operator
2. Chicago Architecture Center River Cruise
The Chicago Architecture Center's river cruise aboard First Lady boats introduces the city's buildings from the water, with commentary from the Center's docents.
View details — Chicago Architecture Center River CruiseTour operator
3. Circle Line Sightseeing Cruises
A long-running sightseeing cruise company sailing from Pier 83 on West 42nd Street and Pier 16 at South Street Seaport, with full-island, half-island, Statue of Liberty and evening cruises.
View details — Circle Line Sightseeing CruisesTour operator
4. Friends of the Cabildo French Quarter Walking Tour
Two-hour French Quarter history walks led by volunteer guides from Friends of the Cabildo, starting daily from the 1850 House on Jackson Square.
View details — Friends of the Cabildo French Quarter Walking TourTour operator
5. Maverick Helicopters
Helicopter tour operator with a terminal on South Las Vegas Boulevard, flying Strip night flights and Grand Canyon tours that land on a bluff above the Colorado River.
View details — Maverick HelicoptersTour operator
6. Miami Design Preservation League Art Deco Walking Tour
The Miami Design Preservation League runs a daily two-hour Art Deco walking tour of South Beach from its Art Deco Welcome Center on Ocean Drive.
View details — Miami Design Preservation League Art Deco Walking TourTour operator
7. Old Town Trolley Tours of Washington DC
Narrated hop-on, hop-off trolley tours with 15 stops around the National Mall, plus a Monuments by Moonlight night tour of the major memorials.
View details — Old Town Trolley Tours of Washington DCTour operator
8. Paramount Pictures Studio Tour
Two-hour guided cart tours of Paramount's working lot on Melrose Avenue, the last major film studio still based in Hollywood, passing the Bronson Gate and New York Street backlot.
View details — Paramount Pictures Studio TourTour operator
9. San Francisco City Guides
San Francisco City Guides is a non-profit that runs free history walking tours across the city, led by more than 300 trained volunteers.
View details — San Francisco City GuidesTour operator
10. Seattle Underground Tour
Starting beneath Doc Maynard's Public House in Pioneer Square, the 75-minute Underground Tour explores storefronts and sidewalks buried when Seattle rebuilt after the 1889 fire.
View details — Seattle Underground TourTour operator
11. Argosy Cruises
Founded in 1949, Argosy Cruises runs sightseeing cruises on Elliott Bay and through the Ballard Locks, including a one-hour guided Harbor Cruise from Pier 55.
View details — Argosy CruisesTour operator
12. Big Onion Walking Tours
Founded in 1991, Big Onion runs history-focused walking tours led by historians and graduate students across around 20 New York neighbourhoods.
View details — Big Onion Walking ToursTour operator
13. Boston By Foot
A non-profit educational organisation offering guided walking tours of Boston's neighbourhoods, history and architecture, mainly from April to November.
View details — Boston By FootTour operator
14. DC by Foot
Walking tours led by licensed local guides, from a name-your-price memorials night walk to Georgetown ghosts, Lincoln assassination and Capitol Hill routes.
View details — DC by FootTour operator
15. Miami Culinary Tours
Miami Culinary Tours, founded in 2009, runs guided food walks in Little Havana, South Beach, Wynwood and the Design District, mixing tastings with local history.
View details — Miami Culinary ToursTour operator
16. New Orleans Steamboat Company
The riverboat operator behind the Steamboat Natchez, running daytime and evening jazz cruises on the Mississippi from the Toulouse Street dock in the French Quarter.
View details — New Orleans Steamboat CompanyTour operator
17. Papillon Grand Canyon Helicopters
Grand Canyon air tour company flying daily since 1965, with helicopter tours from Las Vegas to Grand Canyon West, canyon-floor landings and a Strip night flight.
View details — Papillon Grand Canyon HelicoptersTour operator
18. Red and White Fleet
Red and White Fleet runs bay cruises from Pier 43½ at Fisherman's Wharf, including a one-hour Golden Gate Bay Cruise and an evening City Lights Cruise.
View details — Red and White FleetTour operator
19. Starline Tours
Hollywood-based sightseeing company operating since 1935, known for its celebrity homes tour from Hollywood to Beverly Hills and its hop-on hop-off buses.
View details — Starline ToursTour operator
20. Wendella Boats
Wendella Boats is a family-owned Chicago boat company founded in 1935, running river architecture tours, lake and river cruises and sunset trips all year.
View details — Wendella Boats