Famously misunderstood wonder of the ancient world

The longest hedge maze in the world.

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

Astonishing rock formations dot the Brimham Moor landscape.

A vortex fountain that seems to rise out of the ground.

A 30-acre garden inspired by the principles of modern physics.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The stately remains of Llywelyn the Great's mighty fortress.

A museum filled with tiny, adorable versions of the mighty Royal Danish Navy.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

San Francisco's newly reopened hands-on science museum.

Windblown rock formations in an ancient Roman quarry.

Mysterious tombstones thought to be remnants of Atlantis.

Stalactites and stalagmites in a beautifully lit cave.

Celebrating the transformation of trash into objects of beauty.

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

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Obelisks and stone pineapples in the Irish countryside.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.