Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

This famous archeological mystery may be an ancient example of movable type.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

This beach runway is off limits during high tide.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

These mysterious religious carvings were once thought to be thousands of years old but are actually the work of modern eccentric.

Across the islands, baked goods, sauces, and much more are for sale 24/7.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

A domino effect created with Britain’s iconic telephone boxes.

This Shetland Islands bus shelter may be small, but it squeezes in a couch, a desk, some art, and even an old telly.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

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

The largest greenhouse in the world is home to over one million types of plants.

An artistic tribute to the famous singer, just around the corner from where he was born.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

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

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

A whale's jawbone and a malfunctioning harpoon welcome you to the village of Bragar and its lore.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Eighty million natural history specimens call this gargantuan museum home.