Two stunning 17th-century libraries and a cabinet of curiosities.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Walk through Czech history in Prague's largest graveyard.

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

An impressive piece of infrastructure that seems outsized when considering it serves an island with a population of less than 300.

A remarkably well preserved tower dating all the way back to the Iron Age.

This former chapel resides on an island connected to the mainland by one of Shetland's iconic beachy tombolos.

Legend has it that a Dutch fisherman lost control of his Shetland pony and tumbled from this cliff.

The main feature of these gardens is a rarity in the northernmost part of Scotland: trees.

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

The recurring nature of this geographic feature might make it unique in the world.

On a remote island, legend has it that a fiddler and his wife were turned to stone.

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

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

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

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

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

The farthest northwesterly point of the British mainland is one of the most remote places in the Scottish Highlands.

A sea cave with a waterfall and Viking past

This ruined travelers shelter sits abandoned in a desolate bog of Flow Country.

The ruins of a defunct limestone quarry still haunt this Scottish promontory.

Unusually, this ancient Iron Age broch has never been excavated.

An abandoned village where the ruined foundations cling to a cliff.