While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

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

This super steep hike ascends 2,000 feet in less than a mile.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

The highest bridge in America was built for an almost unnervingly small amount of money.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The largest self-built castle in the U.S., six decades in the making.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.