The world's first jet-powered aircraft were assembled by the Germans in this secret factory in the forest during WWII.

A fantastic reconstruction of a 10th-century Viking longhouse.

A replica of the decorated wooden pillars Viking sailors threw overboard when finding new places to establish a settlement.

Nordic giants resurrected from the sea and restored to their former greatness.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

This replica Viking village was created for a film that was never shot and is now open to visitors.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

An ancient Viking village in North America that predates Columbus by 500 years.

The ruins of an abandoned crematorium haunt an eerie deserted German cemetery.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

Abandoned silver mine strewn with wrecked and twisted structures.

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

Supposedly Satanic numbers adorn this preserved submarine sail.

A coal fire has been burning underground here since 1896.

Where a guard killed nine German prisoners during one of the worst 20th-century POW camp massacres in U.S. history.

Dig for your own trilobites in this goldmine of invertebrates.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

Two Civil War-era cemeteries stuck between runways at the world's busiest airport.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.