A floating cat sanctuary on an Amsterdam canal.

This house's itty bitty size means no humans allowed.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

A cobblestone alley with an interesting past.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Two plaques commemorate the site of Shakespeare's first theatre.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Fine dining in the bizarre world of Lewis Carroll.

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

The only theatre in the world constructed specifically for sound movement.

Macabre astrological automaton clock dating to the late 1400s.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

An Australian lake whose pink hue defies scientific explanation.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The world's largest collection of witchcraft regalia.

A fiery crater has been burning in the Karakum Desert since 1971.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A bizarre house filled with an astounding array of collections.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.