The only structure in a remote mountain pass, these colorful cubes are visible from miles away.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

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

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.

Where condemned pirates met their grisly end at the gallows on the River Thames.

One man spent 10 years building a spectacular section of road because no one else would.

These wooden pipes were crucial to providing water to Medieval Edinburgh.

The remnants of a facade from a 19th-century market stall emporium.

This 15th-century structure had a long, tortuous journey to its current location.

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

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

The former seat of power for the Balliol dynasty.

An ancient stone wall formed by lava that was a frequent stop during funeral marches.

The world's shortest street was created by an awkwardly placed hotel.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

A serene public space nestled within the remains of Glasgow’s Victorian maternity hospital

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

This seaside Scottish holiday rental lets you live out your bookselling dreams.

A mysterious ruin shrouded in more folklore than fact.

This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.