This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

The mystery of this small, brick pond eluded its possibly only investigator until his death.

A site of pagan worship which still attracts people looking for fairies.

The heads of two giant mythological water horses honor Scotland's horselord past.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

Britain's tallest megalith towers over the cemetery of a quiet English village.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

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

The tallest freestanding structure in the United Kingdom.

This series of Scottish caves has no clear purpose other than baffling historians.

Though much of the castle was robbed of its stones, the underlying earthworks are among the best-preserved in England.

This Arcadian garden in the Pentland Hills boasts over 270 artworks by Scottish artist and poet, Ian Hamilton Finlay.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Modern megaliths form this work of cosmic, Celtic landscape art.

The view that inspired the scenes of Dracula's first landing in England.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

The curious and tiny collection contains some very odd objects.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

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

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

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