The beauty of urban decay, hiding some dark secrets.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

No passport is required to eat around the world at this elegant restaurant.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

The final resting place of Christopher Columbus - or possibly someone else.

Columbus' failed colony in the New World.

A hiking area billed as a possible home to Bigfoot.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The longest continuous lava tube in Oregon.

A sprawling cave network created by a lone lava tube.

Climb and walk into the crater of one of the youngest volcanoes on Earth.

A natural dome made of volcanic glass in Inyo National Forest.

An old World War II hangar holds 20 vintage aircraft and the rare opportunity to take a ride in a 1940s warbird.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

An institution that preserves the history of institutionalization.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

Its 27 graveyards represent the many nationalities and ethnic groups that voyaged to this wilderness in the late 19th century.

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

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

Rustic natural hot springs in the deciduous rain forest.