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

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

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

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

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

How did a French journalist’s grave become the sexiest statue in the cemetery?

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

A phantasmagoric tomb honors a Belgian artist-scientist's contributions to the world of spooky entertainment.

France's most famous cemetery, with some of its most curious tombs.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

An ancient octagonal weather station named for the eight Greek gods of wind.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

Striking, enormous gold-plated sculpture of Buddha installed in the 19th century.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

A battle between nature and architecture in the Cambodian jungle.

Hoax, mistake, or evidence of dinosaurs in human times?

Sacred Buddhist home of some spiritual monkeys.

An ancient art form is kept alive in this corner of Nepal.

A brick building in Kathmandu's Durbar Square is home to Nepal's most prominent living goddess.

This historic square in Nepal is home to temples dating back to the third century.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Dating back to the fourth century, it's the oldest Hindu temple still in use in the Kathmandu Valley.