Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A notorious Route 66 eatery once frequented by Al Capone.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The legend of a local monster still haunts this small town.

The abandoned personal amusement park of the King of Pop.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

This abandoned amusement park was built on a site with a dark history.

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

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

The extensive collection of an amateur naturalist.

Shop of curiosities with a dinosaur museum tucked in its basement.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The largest land animal skull ever discovered.

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

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

If astronomy had a ghost, it would look like this observatory.