Home to three historic ships from the age of Vikings.

Eclectic final resting place of the controversial explorer.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

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

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

2300-year-old Roman road connecting the empire.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Pompeii's less famous neighbor is still revealing her secrets.

A fantastic castle rumored to be the birthplace of King Arthur.

The underground sanctuary of a mysterious ancient cult.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

A hands-on traveling collection of the innovative devices of yesteryear.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.