Eclectic collection of dark and macabre antiques.

One of the last free public hot springs is decorated with hippie art.

The Zalud family experienced a number of tragedies in one decade, giving rise to rumors that the 19th century house is haunted.

Don't blink or you'll miss it.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

Outsider Art Community.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A natural history wunderkammer in the middle of the desert.

America's only nuclear missile silo open to the public.

Limestone caves with spectacular showcase chambers.

Stairs often replace streets on the steep slopes of this old mining town.

Collection of vintage trailers double as hotel rooms.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

These delicate sand pyramids look like naturally occurring gothic spires.

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This shop specializes in oddities and Victorian-inspired wonders.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

340 bicycles, 65 feet high.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

This impressive tunnel was dug entirely by hand over the course of 36 years.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Hundreds of trees made from glass bottles make up this forest on Route 66.