Unusual hotels around the world

Local Manager Gisela Olsson makes a bed in one of the standard rooms in the Jumbo Hostel at Arlanda Airport, Stockholm January 14, 2009. Jumbo Hostel is a Boeing 747-200 jumbo jet that has been converted into a 25 room hotel and cafe and the cockpit has been converted into a de luxe suite. REUTERS/Fredrik Sandberg/SCANPIX

"Hotel Everland" (R), a creation by Swiss artists Sabina Lang and Daniel Baumann, is craned on the roof of Paris Modern Art Museum, the "Palais de Tokyo, site de creation contemporaine", October 16, 2007. The "Hotel Everland" is an art installation consisting of an actual one-room hotel offering 1970s-style glamour, artistic cachet, a view of the Eiffel Tower, functioning as both a museum exhibit and a room where people can stay overnight. REUTERS/Philippe Wojazer

The Cabin is seen under construction on the site of Treehotel in the Swedish village of Harads, July 5, 2010. A lofty new hotel concept opened in a remote village in northern Sweden, which aims to elevate the simple treehouse into a world-class destination for design-conscious travelers. REUTERS/Matt Cowan

A couple are snug inside a sleeping bag during a photo opportunity at an ice hotel at Alpha Resort Tomamu's ice village in Shimukappu town, Japan's northern island of Hokkaido February 6, 2008. Only one pair can spend the night at the ice hotel for 15,000 yen (about $140), including dinner served on an ice table. REUTERS/Yuriko Nakao

Tourists have dinner inside the Balea Lac Hotel of Ice in the Fagaras mountains, 300km (184 miles) northwest of Bucharest December 28, 2011. Entirely made of ice, the hotel offers accommodation in 10 double rooms with king size beds, where the temperature is between -2 and +2 degrees Celsius, at a price of 35 Euro ($45.73) per person. REUTERS/Radu Sigheti

A model poses in a room of the Alcatraz hotel in the southwestern German city of Kaiserslautern September 19, 2008. The hotel, built in a former prison from 1867 today offers a total of 57 rooms, with original carceral beds, lattice bars and pass-throughs in the heavy steel doors. REUTERS/Alex Grimm

Guests have a drink at the bar of the Alcatraz hotel in the southwestern German city of Kaiserslautern September 19, 2008. The hotel, built in a former prison from 1867 today offers a total of 57 rooms, with original carceral beds, lattice bars and pass-throughs in the heavy steel doors. Guests can sleep in convict uniform pyjamas and enjoy their drinks in the 'Behind Bars' ('Hinter Gittern') bar. REUTERS/Alex Grimm

A caravan turned into sleeping accommodations is pictured in the indoor camping hotel Huettenpalast in Berlin, May 5, 2011. A 200 square metre production hall of a small vacuum-cleaner factory was used to create an indoor garden where guests can sleep in old caravans and wooden huts. REUTERS/Tobias Schwarz

A car, with an interior that has been converted into a bedroom, sits mounted on four-metre-high poles outside an Amsterdam hotel September 21, 2006. Italian artist Federico D'Orazio turned the small family car into a cosy love nest to encourage more love in the city of Amsterdam. REUTERS/Robin van Lonkhuijsen

Two Yorkshire terriers Billy (R) and Jully (L), sit on the bed at a pet motel in Sao Paulo August 26, 2005. REUTERS/Fernando Cavalcanti

Tables and chairs made from blocks of salt are seen at the salt hotel on Uyuni salt lake, which holds the world's largest reserve of lithium, about 500 km (311 miles), south of La Paz, November 28, 2010. REUTERS/Gaston Brito

A welcome sign is displayed at the entrance to Germany's first tree house hotel in eastern village of Zentendorf near the Polish border July 15, 2005. The Tree House hotel in Saxony, offers five wooden rooms suspended in branches 30-feet above the ground, connected by narrow walkways and built into the branches of black locust trees. The rooms come with small balconies, electric lights and shared toilets cost around 160 euros a night. REUTERS/Pawel Kopczynski