Tour operator
81. 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
82. Scuba Cancún
A family-run PADI 5 Star dive centre at kilometre 5 of the Hotel Zone, founded by the first scuba instructor to teach in Cancún.
View details — Scuba CancúnTour operator
83. 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
84. Seoul Guided Walking Tours
Free walking tours run by the Seoul Metropolitan Government with volunteer guides, covering palaces, old alleys, the city wall and other heritage routes.
View details — Seoul Guided Walking ToursTour operator
85. Simply Enak Food Tours
Founded in 2011, Simply Enak runs small-group and private street food tours of Kuala Lumpur with local guides, from Pudu's markets to KL after dark.
View details — Simply Enak Food ToursTour operator
86. Sindbad Balloons
A licensed Luxor balloon company offering sunrise flights from the West Bank over the temples, the Nile and the Valley of the Kings, with hotel pickup included.
View details — Sindbad BalloonsTour operator
87. Social Tours
A Kathmandu Valley tour company founded in 2002 to link tourism with social good, running market walks, cooking classes and a Swayambhu sunset walk.
View details — Social ToursTour operator
88. SP Free Walking Tour
Tip-based walking tours of São Paulo's old downtown, Vila Madalena and Avenida Paulista, run in English and Portuguese by local guides several days a week.
View details — SP Free Walking TourTour operator
89. Sri Lanka In Style Hidden History City Walk
A 2.5-hour morning heritage walk through Colombo Fort and the Pettah markets, led by a Dutch-Burgher local historian, starting and ending at the Old Dutch Hospital.
View details — Sri Lanka In Style Hidden History City WalkTour operator
90. Story Bridge Adventure Climb
Guided climbs to the 80-metre summit of the heritage-listed Story Bridge, running daily at dawn, by day, at twilight and at night from Howard Smith Wharves.
View details — Story Bridge Adventure ClimbTour operator
91. Strömma
Major Stockholm sightseeing operator running canal and harbour boat tours, guided archipelago trips, bus sightseeing and summer boats to Drottningholm.
View details — StrömmaTour operator
92. Stromma Canal Tours Copenhagen
Year-round guided canal and harbour boat tours from Nyhavn and Ved Stranden, passing the Little Mermaid, Amalienborg, the Opera House and Christiansborg.
View details — Stromma Canal Tours CopenhagenTour operator
93. Taste Hungary
Budapest's first food tour company, running culinary walks since 2008, with daily Hungarian wine tastings in its cellar in the Palace District.
View details — Taste HungaryTour operator
94. Taste of Prague
A food tour company started in 2011 by a group of Prague friends, running small-group foodie tours, private tours and wine trips to Moravia.
View details — Taste of PragueTour operator
95. Taste Porto Food Tours
Porto's longest-running food tour company, leading three-and-a-half-hour walking tours of the city's cafés, markets, tascas and port wine bars.
View details — Taste Porto Food ToursTour operator
96. Thai Farm Cooking School
Family-run cooking school operating since 2001, with half-day and full-day classes on an organic farm about 17 km from Chiang Mai, including a market visit.
View details — Thai Farm Cooking SchoolTour operator
97. The Culinary Adventure Co.
A family-owned Toronto food tour company running small-group tastings since 2011, best known for its St. Lawrence Market tours with peameal bacon, cheeses and smoked salmon.
View details — The Culinary Adventure Co.Tour operator
98. The Original Singapore Walks
Award-winning narrated heritage walks run since 2003 by Journeys, exploring themes such as Little India, colonial history and the Changi war trails.
View details — The Original Singapore WalksTour operator
99. Those Dam Boat Guys
A small-boat canal tour company with public tours for up to ten people and private trips, where guests can bring their own food and drinks.
View details — Those Dam Boat GuysTour operator
100. Tombori River Cruise
A 20-minute guided boat ride along the Dotonbori canal, leaving every half hour from Tazaemonbashi Pier beneath the neon signs of Minami.
View details — Tombori River Cruise