Possibly the oldest of Britain's ancient henges is also one of its most stark.

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

The fairy tale castle of the "fairy-tale king."

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Venice's island of the dead.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Jesus' footprints and the first catacombs in the world.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

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

Ancient snack bar of the Roman Empire re-opened.

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

The glowing blue Nymphaeum of Emperor Tiberius.

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

Every equinox this Maya pyramid puts on a spooky ancient light show.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

The world's most remote airport.

This was once the center of the Birdman cult, and is now a World Heritage Site.

The largest stone moai on Rapa Nui.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.