The famous animator's private station house and man-cave was the birthplace of imagineering.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

The first declared National Monument in the United States.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

One woman's Viking Castle on Lake Tahoe.

A trash dump made beautiful by nature's power.

This massive redwood tree has a hole in the base big enough to drive through.

A self-built castle made by a mysterious man.

An artificial crater field that trained astronauts for lunar exploration.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A motel dedicated to Southwestern nostalgia.

See massive fossils that are over 200 million years old in northeastern Arizona.

A reproduction of earth's many biomes.

The world's largest military aircraft cemetery.

America's only nuclear missile silo open to the public.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

World-famous, Pink's still manages to keep its prized cult fetish status.

The legendary building that needed ghostly approval before being built.

Historic funicular railway, believed to be the shortest railroad in the world.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.