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

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

The abandoned personal amusement park of the King of Pop.

A shrine to a skeleton saint in the city of angels.

A piece of outsider public art accompanied by a strange urban legend.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This popular bar has been blurring the line between normal and edgy for more than 75 years.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

Prehistoric animals decorate this popular outdoor park.

One of the largest, oldest, darkest, quietest motel rooms in the world.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Moonbows over Kentucky.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Half of a waterfall goes into the river while the other half seems to disappear.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

During the holidays, a vintage subway train whisks New Yorkers back in time.