Reputedly based on the tomb of Jesus Christ, this crypt is the oldest surviving structure of any cathedral in England.

At 1,732 feet above sea level, this spectacularly isolated yet surprisingly bustling bar is the highest pub in Britain.

The remains of the concrete ship can be seen during low tide.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

These fantastically named natural pools look like something out of a Scottish myth.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The oldest inn in England served brew to the crusaders.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.