Sick of the same old mundane guided tours? Hate the thought of walking around a strange city, blistering your feet while listening to some sweaty wannabe historian babble on? Feel ready to doze off at the mere mention of boarding a red bus?Well, then we recommend trying out one of these strange guided tours from around the world. Illegal immigrant tour, El Alberto, MexicoEver wondered what it feels like to be an illegal immigrant? Of course you have! Well, the good news is, there's a Mexican theme park just for that. Located about 100km from the US border, La Caminata Nocturna may not have carnival rides or roller coasters, but it does, however, offer tourists an unforgettable border crossing simulation, complete with roll call, being squished into pickup trucks and a briefing by a 'coyote' (people smuggler). Cost: $18 (R176 at R9.81/dollar). Bizarre Bangkok, ThailandAnyone who's been to the Thai capital knows that you can find pretty much anything in Bangkok. ANYTHING. The Bizarre Bangkok tour allows visitors a little peek into the dark underbelly. The itinerary includes a visit to the macabre Forensic Medicine Museum, where the preserved corpse of Thailand's most notorious serial killer is on display and the remnants of the city's sexiest shrine. All guests also get to walk away with a copy of Jim Algie's book Bizarre Thailand as a memento.Check out the Exotissimo website for more details. (Shutterstock)Weird meat tour, Shanghai , ChinaSpecialising in culinary exploration, Shanghai-based company unTour offers visitors the opportunity to get a mouthful of some of the city's strangest dishes a-la XFactor during their three-and-a-half hour back alley food tour. Expect everything from scorpions on skewers to fishy things with tentacles. As the tour's tagline goes: 'Do you have what it takes to eat like a local?'Cost: RMB 1 600 (R2 580 at R1.61/Chinese Yuan).Check out the UnTours website for more details. Karaoke ghost tour, Sydney, AustraliaThe closest thing you will ever get to being part of the Nightmare Before Christmas cast, this fun bus tour combines bad singing with chills down the spine. The tour lasts an hour-and-a-half, allowing guests to see a side of Sydney that raises more questions than it answers.Cost: $42 including a complimentary drink (R395 at R9.40/Aus$)Check out the Karaoke Bus website for more detailsHistoric toilet tour, York, EnglandThe city of York is a hotbed for history, and evidently doesn't shy away from exploring the less glamorous side of things. Tour company, York Walk's Historic Toilet tour takes visitors on a unique saga of convenience through the ages from Roman sanitation to the 18th Century 'Sugar' House and 19th Century attempts to prevent 'nuisance' and promote public decency. And, yes, you will also get the opportunity to try sample a few of the mediaeval garderobes for yourself!Cost: 6 pounds (R95 at R15.90/pound) Check out the York Walk website for more details(Good Hope Adventures website)Underground tunnel tour, Cape TownWe bet you didn't know there was a fascinating network of tunnels snaking its way underneath the Mother City. Some of them date back to 1652 and used to supply the Company Gardens and passing ships with fresh water. Good Hope Adventures has launched a tour of the underground tunnels, giving visitors an alternative view of Cape Town. Tours start at the Castle of Good Hope and last between 1 and 3 hours.Cost: between R175 and R350 per person.Check out the Good Hope Adventures website for more details. The Dearly Departed Tour, LA, USThe world's obsession with celebrity is undeniable and so is its fascination with tragedy. So, why not combine the two into one scandalous tour of Los Angeles's seedy side? During the tour you will get to see countless infamous landmarks from the darker side of Hollywood and hear actual 911 recordings and police interviews.