A former major munitions plant that has been converted into a sprawling art space.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

A museum dedicated to exhibiting remarkable outsider art.

Its buzzing collection honors vibrator history.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Watch the newest land on the planet form before your eyes.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

Art deco landmark on the outskirts of Washington, D.C.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

This massive redwood tree has a hole in the base big enough to drive through.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Commonly referred to as the most photographed Victorian home in the United States.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Limestone caves with spectacular showcase chambers.

What is the Thing?

A spiritual vortex among the red rocks in Sedona.

An astounding collection of medical specimens, including bits of President Lincoln.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

An ancient capital city that dates back 3,000 years old and harbors many surprises.