A painfully obvious spy house sits right across the street from the Russian Embassy.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

An institution dedicated to curiosity, logic, riddles, and Mongolia's long history of puzzles.

This art center is way beyond your average pumpkin-carving operation.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

The world's largest squirrel statue clutches a pecan bigger than your head.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

The middle finger of modernity.

Home of the world's smallest dinosaur footprints.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The world's only museum devoted to the wonders of fluorescence.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

Museum preserving torture methods from the past.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Continuing the tradition of the dime museum in style.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The 400-year-old remains of the samurai invasion of Korea.

Bioluminescent firefly squid light up this Japanese fishing port.

This giant bronze Buddha, the third largest in Japan, is the last in an ill-fated series of statues.

A tiny collection of traditional Japanese woodblock prints, open only when the owner feels like it.