An apparition of Virgin Mary in Herzegovina.

This 50-foot-deep sinkhole created in the 14th century is home to rare plants and fungi.

Quirky movable sculptures have been racing through the town since 1983.

This modern labyrinth lies in the shadow of a ruined medieval castle.

These 40,000-year-old stenciled hands are older than the famous cave art in France and Spain.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

An unusual library of dead things at the Rhode Island School of Design.

The oldest still-operating tavern in the United States was once owned by a pirate.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

An eccentric German artist built this weird and wondrous castle packed with shocking sculptures and alien art.

This famed marionette theater and museum is bursting with imaginative string puppets.

Puppet theater and museum holding a collection of more than 300.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

This whimsical home made entirely from clay is basically a giant piece of pottery.

An alternate history park where the Union Army loses the war... to dinosaurs.

The quirky collection includes treasures like Elvis' underwear, Bob Barker's toothbrush, and hundreds of sock monkeys.

An Australian lake whose pink hue defies scientific explanation.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Six beautiful wooden giants are hidden around Copenhagen.

This Minsk museum has cat coffee, cat chess, cat art, and even a cat "staff," which visitors are free to take home.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

Solar powered Spectacle Island features all-green facilities.