This Roman quarry once held secret masses and smuggler's contraband and is now home to rare species of bats.

These medieval tunnels provided water to the city above through centuries of civil war and plague.

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

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

A legendary rocking stone, returned to its clifftop perch.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

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

This ancient church, rebuilt at least 3 times, is flanked at all sides by history.

Perhaps the only prehistoric monument with its very own public bus stop.

A circle stone within a stone circle.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

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

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

The largest greenhouse in the world is home to over one million types of plants.

A unique waterfall that some believe attracts the fairfolk.

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

The world’s only museum dedicated to baked beans.

Roman ruins found on the outskirts of a small town on the North Wales coast have over time become a strong part of the community's identity.

Associated with the famous wizard, it is said that when this oak tree falls, so will the town.

Evans's funeral had one of the largest attendances of any funeral in the history of Wales.

Britain's oldest miniature railway.

This tall stone wall with no door and ill-matched windows was built centuries ago, and used as a shelter for domesticated pigeons.

Believed to be an execution site used by King Arthur after he was embarrassed.

A museum dedicated to Wales’ favorite—and strangest-looking—watercraft.