One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

At 207 feet, one of the world's longest continuous escalators.

A monument celebrating the idea of reaching inaccessible places.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Giant granite rocks standing end-to-end like a train of circus elephants.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

The world's most active stratovolcano is almost always erupting.

Island where motor vehicles are banned -- home to the only carless highway in the United States.