03HI Jail Hostel - Ottawa, Canada

Dating from the 1800s, this former stone jail has a dark and violent past. Retro-fitted to be a comfortable urban launch pad for the delights of Canada's capital city, the Nicolas Street Jail has retained its original footprint and interior details such as cell bars and steel doors. For those with a morbid fascination for penal history, there are daily tours of the jail, including the former Death Row.

Lock yourself in for the night at the HI Ottawa Jail. allanswart / Getty Images