The resting place for anonymous victims of the Danube's dark waters.

This eclectic natural history collection holds everything from a bit of the trans-atlantic cable to Hemingway's marlin.

The sign at the garden gate reads: "These Plants Can Kill."

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Five ancient libraries, little changed for centuries, preserve a medieval archive of Quranic lore and civic documents

The most remote tree in the world survived desertification, but not a drunk truck driver.

Spirits from these lakes are said to produce the local weather and odd phenomena as they bicker between themselves.

Deadliest lake in the world suffocated over 1,746 people in one night.

Ancient Manuscripts showcase the civilization of West Africans during the Middle Ages.

These homes carved into the mountains seem to defy the laws of nature.

The last remaining site of Yoruba worship of the fertility goddess.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

The giant skeleton sculpture is surprisingly well-traveled.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

A 16th-century horror show built in a lovely Italian garden.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

Fountain where visitors can earn a license to be mad.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.