This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The final resting place of a space program monolith.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

A downtown park built on top of unclaimed graves.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

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

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

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Largest man-made excavation on earth!

Visitors to this library are in for a real-world education in modernist architecture.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

The largest island on the great salt lake is home to curious creatures and strange stories.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Largest collection of mounted dinosaur specimens in the world.