The longest and widest floating bridge in the world.

With its vaulted ceiling and gilded details, this University of Washington library would feel right at home inside an old palace.

Old submarine parts have been converted into faux whale fins.

This remarkable collection devoted to the study of fish includes 1 million preserved specimens from all around the world.

A wall of chewing gum moonlights as collective art.

This former coal gasification plant found a curious second life as a popular public park.

A giant Troll lurks under one of Seattle's oldest bridges.

This futuristic building is yet another architectural wonder in Dubai.

This indoor ski resort has a mountain contained inside a mall.

A faithful reproduction of Al-Jazari's enormous water clock.

Some of the ancient-looking huts among these strange rock formations aren't ancient at all, but built as part of a movie set.

A creepy, deserted mock Arabian village can be found in the middle of the Qatari desert.

Four steel monoliths stand in the Qatari desert, in a breathtaking work of large-scale art by Richard Serra.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

The building is a gigantic piece of art inspired by the shape of a desert rose.

Qatar's oldest market can trace its origins back more than a century.

This seemingly random 30-foot statue of an oryx in Qatar's capital was a mascot for the 2006 Asian Games.

The enormous diamond-shaped building packs a trove of academic and literary treasures into one futuristic space.