The private clubhouse for the members of the Academy of Magical Arts.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

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

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A 140-year-old castle with underground caves hidden in San Francisco.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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

A huge musical instrument played by the ocean.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Where a guard killed nine German prisoners during one of the worst 20th-century POW camp massacres in U.S. history.

Jurassic Park—A Still Life.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

A Mars simulation in the southern Utah desert.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

Largest collection of mounted dinosaur specimens in the world.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

A replica that won't float away.

A house carved into a rock in the 1940s.

What is the Thing?

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.