1. Chase the ultimate slice in New York.
Why climb the Statue of Liberty when you can go on a PIZZA TOUR of the Big Apple? Scott's Pizza Tours offers romps through several different areas of NYC to try the city's best pies.
2. Take a gullible friend along on a Bullshit London tour.
If you're looking for more laughs than history, this alternative tour of London where "the landmarks are real, but the facts about them aren't" is right up your alley.
3. Unwind on a ganja farm tour in Jamaica.
If you're all about the sun and some smoke, travel to Bob Marley's birthplace, Nine Mile, and head on to spend a few hours learning a new trade from bonafide ganja farmers.
4. Cycle through South African vineyards on a carbon negative tour.
Bikes 'N Wines offers guided half, full, and multi day biking tours through the lush vineyards surrounding Cape Town. The company operates with an environmentally conscious mission, so you get to go green while you cycle through the greens.
5. Explore the historic toilets of York.
If you're looking for a down and dirty experience, learn the history of York by seeing the city's historic loos. The guided walk is only offered on rare occasions, so if it doesn't match up with your travel dates, try York Walks' cat tour or execution walk instead.
6. See Reykjavik by the light of the Auroura Borealis.
See the most stunning site Iceland has to offer with a Northern Lights day tour to some of the best viewing spots. The lights appear September-April, so if you want to catch the lights, be sure to plan your trip then.
7. Eat it up in London's China Town.
Are your tastebuds craving a bit more zing than fish and chips can offer? This bespoke foodie tour of China Town will give you an insider's glimpse to the best secret spots to eat in the area, and ends with a dim sum meal at a local favourite.
8. Let Space Invaders lead you through Paris.
Paris is known for romance, but its nerd culture is thriving, too. Follow mosiac graffiti Space Invaders through the city for a unique look at Paris beyond its typical tourist appeal.
9. Take a ride on San Fransisco's magic bus.
Board the San Fran based Antenna Theatre Company's Magic Bus for a real trip through the fascinated city streets. The unique experience is a perfect encapsulation of San Fransisco's culture and history, and the bus plays some great tunes along the way.
10. Ask the big questions while you explore Britain's crop circles.
You can see the stunning crop circles of Wiltshire during crop growing season in the late summer. Explore the spooky and beautiful designs while an expert gives you the low down on area's mysterious history of crop circles goes back to 1600.
11. Discover Prague's best bookshops with a homeless bookseller.
The tour company Pragulic aims to raise awareness and understanding of the city's homeless with offers tours guided by the homeless themselves. Honza B, a writer and book seller, takes travellers through Prague's streets to the best tucked away used bookstores and into the Divus art space.
12. Drink in Edinburgh's literary history.
Edinburgh's Literary Pub Tour is part bar crawl, part immersive theatre piece, and part historical walk tour. Guided by local bookworms, you'll have a drink at some of Edinburgh's most notable writers' pubs, frequented by authors such as Robert Louis Stevenson, Sir Walter Scott, Robert Burns, and more.
13. Get your geek on in Tokyo.
Context Travel's Otaku tour offers a peek into Tokyo's fan culture. Explore subculture in the city, from manga and anime fanaticism to cosplay and maid cafés.
14. Take a twilight stroll through the stunning urban decay in Berlin.
This "hardcore" night tour of Berlin takes you to the city's best kept secrets and more bizarre spots, from a sci-fi bunker used by tech hackers to secret bars, to underground parties.
15. Follow the music in Essaouira, Morocco.
Experience the sights and sounds of Essaouir, with an insider tour following the Gnawa, the area's most renowned traditional musicians. A local musician will guide you to exclusive areas and offer history and hands-on Gnawa experiences.
16. Follow in the footsteps of Dublin's pluckiest women.
Ingenious Ireland offers a range of specialty history walks of Dublin, from a tour of the unique geological foundations of the city to its Obstreperous Lassies tour following the rebellious women of the 20th century to celebrate International Women's Day. While many tours are offered to the public on special occasions only, they can be arranged privately.
17. Explore the dark underbelly of Brighton.
The Victorian sewers of the seaside city are rich in history and offer a unique view of Brighton if you're ready to venture away from the beach.
18. Be a real life Oliva Pope with a Washington DC Spy tour.
Add a little espionage to your city walk with Spies of Washington. Choose from four different areas in the city to uncover the secret history of the U.S. capitol. There's even a dog friendly version!
19. Cruise through Barcelona in a motorbike sidecar.
Make a sightseeing tour of Barcelona even more stunning by hopping in the sidecar of a vintage WWII motorbike for a locally-guided trip through the city's highlights.