A downtown park built on top of unclaimed graves.

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

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

Central City celebrates its most famous madam by racing beds down Main Street.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

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

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

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Home to the only outdoor municipal elevator in the United States.

The king of U.S. high points towers over every other peak on the continent.

Siberian husky that delivered a life-saving antitoxin.

A beautiful 62-acre Catholic shrine and botanical garden.

A heavenly experience, right here on Terra Firma.

A massive sea stack famous for its appearance in The Goonies.

100-year-old shipwreck you can walk up to at low tide.

A Roman-style column in Oregon hides a spiral staircase inside.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

Only known mainland rookery of the threatened Stellar sea lion.

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

Thousands of turbines whir at at the origin of North American wind power.