The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

A museum documents the development of the invention that tamed the Wild West.

The 55-pound trichobezoar was removed from the stomach of a cow.

Massive still life just off the highway in Kansas.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

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

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

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

A recreation of an Old West apothecary full of curios.

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

See six states, pickled freaks, rocks, and antiques.

The largest source of fossilized insects anywhere.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

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

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.

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

This restored farmhouse is a time capsule of a 19th-century Colorado homestead.

An annual festival celebrating Colorado's most famous frozen corpse.

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

The burial grounds of a secret society includes fences topped with fake Tesla balls.

This underfoot portrait is the work of a disgruntled painter inspired by a tragic poem.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.