The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

Pyramid shaped monument with a tall tale attached.

This church sits upon a peaceful hill and a long, turbulent history.

The world's largest collection of witchcraft regalia.

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

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

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

A circle stone within a stone circle.

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

An enchanting work of outsider art, full of whimsical sculptures and carvings.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

A close look reveals that the Scottish monument is just slightly off-kilter.

The sign announces the Scottish village's cosmic connections, as it's twinned with Glenelg, Mars.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

Protecting the dead from opportunistic body snatchers.

The curios of pharmacist and collector Henry Wellcome.

A cluttered and astounding collection of antiquities and curiosities.

Repository for more than 22 million pickled specimens.