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

See just what life was like in a 19th-century prospecting town.

The remains of a ruined mansion memorialize the 1906 earthquake.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This shop specializes in oddities and Victorian-inspired wonders.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

An invitation-only museum of items natural and bizarre, arcane and exotic.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

In the midst of a residential town in Washington exists a property saturated with one man's artistic creations.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The seamy, underground secrets of Portland's criminal past.

A short hike into the mountainside forest reveals a decaying 1890s town.

This parking garage has given itself over to graffiti artists and the neighborhood can't thank them enough.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

Supposedly Satanic numbers adorn this preserved submarine sail.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

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