This Scottish burial tomb once held hundreds of ancient eagle bones.

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

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

Enter the world under the hill at this ancient UK burial chamber.

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.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

A Korean village where times stands still.

The toilet-shaped house of South Korea's sanitation pioneer is now a museum to the john.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

Medicinal spa created with the discharge from a geothermal energy plant.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

Rising from the sea like a stone monster.

An astounding annual light display honors the victims of one of Japan's most devastating earthquakes.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.