The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

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

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Dramatic river bend surrounds a natural red-rocked pedestal.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

Legend has it fairies gathered at the site of this medieval castle.

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

Venice's island of the dead.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Some of the Old West's most notorious outlaws frequented this mining town.

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

This famous city eluded concrete detection until the early 2000's.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

An underwater restaurant, surrounded by a coral reef.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

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

Village situated on a narrow volcanic escarpment.