This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

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

The ghostly remains of an accidental sea.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

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

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

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

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

A church of bones, decorated with 40,000 human skeletons.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

On the Oregon coast there is a natural hole that seems to be draining the sea.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

World's largest collection of serial killer artwork and other macabre exhibits.

World's first "penitentiary," meant to be humane, drove men insane.

An artsy hidden staircase leads to breathtaking views of San Francisco.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

On Japan's Tashirojima Island, cats are king.