The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

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

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

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

When in Idaho, sleep in a giant potato.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

A museum dedicated to the history and art of staying clean.

The mayor made the declaration in 2004.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A wall of chewing gum moonlights as collective art.

The largest wooden building in the world now houses a fascinating collection of aircraft.

On East Burnside, a 24-hour vending machine distributes world-class pastries.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Stroll through a wonderland of stupendous moss-covered trees.

A whimsical village of unique treehouses resides in a Washington forest.

The highest point in Washington state is a volcano covered in glaciers.

This three-story antique market and curiosity emporium claims to be "the largest singly owned antique shop in the Pacific Northwest."

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

This painted blacktop brings the classic arcade game to life.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.