A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

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

Staves, storm-calling, and of course, necropants.

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

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The world's largest collection of witchcraft regalia.

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

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

Dramatic river bend surrounds a natural red-rocked pedestal.

Tucked in the back of this amazing antique store is an important piece of medical history.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

An eerie, derelict amusement park in Berlin.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The fairy tale castle of the "fairy-tale king."

Most-visited and most-photographed slot canyon in the American Southwest.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

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

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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