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

Legend says this ancient pagan site can cure all ailments.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Eighty million natural history specimens call this gargantuan museum home.

Rebuilt remains of a temple to Roman god Mithras.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

Banksy gives themself artistic license with this piece of London street art.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

An encyclopedic collection of mammal penises.

Staves, storm-calling, and of course, necropants.

The world's largest collection of witchcraft regalia.

These ancient giraffes are the largest known animal petroglyphs in the world.

A fantastic castle rumored to be the birthplace of King Arthur.

A holy well supposedly infused with a saint's spirit flows within this quaint chapel.

Cornish legend says these ancient circles were people turned to stone for playing hurling on a Sunday.

This ruined 15th-century hermitage is steeped in myth and mystery.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

These mysterious mazes carved on the rock may be up to 4,000 years old.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

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

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

400-year-old garden, restored to beauty.

The pockmarks across the building's facade are remnants of the Blitz.