The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

A stealthy Apache hideaway that became the haunting site of a mass grave.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

This two-room shotgun shack in Tupelo is the birthplace of a King.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

The body of an unidentified woman, visible through a glass coffin, was discovered by accident.

An enormous natural sandstone bridge in Kentucky.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

The first home of the doomed aviatrix Amelia Earhart.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

William Faulkner kept his beloved estate wild and untamed.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

An abandoned factory along the Mississippi coated by a giant mural.

An homage to the pointers and retrievers that have long been a hunter's best friend.

A floating museum that was sunk by a flood and left to rot in the tides.

One of few surviving standpipe water towers in the U.S.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.