This stone is a marker of one millionaire's personal vendetta against gravity.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

An artificial crater field that trained astronauts for lunar exploration.

Legends surround this jagged rock formation in the New Mexico desert.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

The world's first commercial spaceport is a disappointment of cosmic proportions.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

An unrealized dream to wirelessly electrify the entire Earth.

The site of one of history's most indelible and horrific tragedies.

The secret city built by the Manhattan Project.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Seller of surplus nuclear research materials.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.