This Colorado hiking trail provides a small gold mine of abandoned gold mines.

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

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

This naturally-sourced hot spring is now home to a clothing-optional resort.

An iconic 1960s theater with a Buckminster Fuller-style geodesic dome.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

Back in the day everyone who was anyone played this historic western theater.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

This central Nevada cave is the spiritual home of ancient and enigmatic pictographs.

In the middle of a remote desert town is a surprisingly opulent hotel.

This vintage animatronics show is the Vegas version of a walk through the woods.

Experience a charming 1930's version of "infotainment."

Mine your own precious stones.

The wild west is still alive and well at this authentic mining town watering hole.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

This former lieutenant governor's home is brimming with curiosities.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

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

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.