A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

The celebrated eyesore created by starry-eyed sweethearts.

An collection of Chinese propaganda posters from 1949 to 1979.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The most confusing clock in New York.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

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

The first American department store, and home to the largest operating musical instrument in the world.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Less a museum than a bizarre fantasy world created by artists and engineers.

A bizarre house filled with an astounding array of collections.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Breathtaking and huge 430 year old maps of Italy.

The ancient tomb acts as a calendar that keeps perfect time.

Copenhagen's celebrated theme park and gardens.

Sweden's "good old days" painstakingly re-created in a model village.

It houses the remains of a 17th-century version of the Titanic.

Walk behind a 50-meter-high waterfall.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.