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

One of England's most famous churches hides a pair of little known architectural treasures.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Countless grotesque faces stare out from this eerie Prague art wall.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

The heads of two giant mythological water horses honor Scotland's horselord past.

The oldest house in Glasgow is now a museum dedicated to the city's medieval history.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

This colossal war machine is now a living museum dedicated to underwater warfare.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Swiss vineyards in a UNESCO heritage site.

Artworks by loners, prisoners and the criminally insane.

The Habsburgs' royal collections of art and wonders.

Baroque celebration of the end of the Great Plague of Vienna.

The final resting place for the remains of 143 Habsburg royalty.

Op-art architecture designed for happiness.

This small group of sand dunes manages to pack in a strange rainbow of colors.

Home to the most complete dodo remains known - one head, and one foot.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.