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

This century-old grotesque has a mysterious history and may not actually be a rabbit.

A midnight snack that lights up the night.

This enchanting hill is home to fairy lore and a sinister local mystery.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A museum wholly devoted to juvenescence.

A village on the east coast of England that has almost completely eroded into the North Sea.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

Cliffs full of fossils at the portal to England's Jurassic Coast.

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

This tiny little cave was said to have been a refuge for a saint with a glowing arm.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Grab a cuppa at England's first and only domestic tea plantation.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

A fernery hidden by neglect is uncovered, and an ancient specimen along with it.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.