This spectacular track has run continuously since 1882.

Unlike most arches, this geological oddity formed in a volcanic dike.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Buy a token from the liquor store and you can make this beast spew flames on command.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

This Old West prison built into the side of a cliff was said to be inescapable.

Crumbling pink walls and murder memorials preserve the pioneer history of Joshua Tree.

The rusted remains of an ill-fated freighter lie just off the coast of South Manitou Island in Lake Michigan.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

The final resting place of the Seminole Indian chief who fought against government occupation in Florida.

This ancient trail has claimed the lives of over 2,000 people.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

A haunting, yet lovingly hand-hewn potters' field full of graves that flood with each heavy rain.

Rare recess caves fill this unbelievably beautiful Ohio park.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Curious rock formations in a tiny Kansas state park.

Curious cave that stays a cool 56 degrees all year long.

The birthplace of the Ford Model T is now a museum full of antique cars.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.