A 18th century graveyard and its astonishing cortege of macabre iconography.

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

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

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

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Macbeth's infamous "Great Birnam Wood."

Hidden in a Scotland museum is a copse of extinct tree stumps.

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

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

This communist country can still appreciate its fragrant past.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

White llama terraces dazzle in Peru's "other Machu Picchu."

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

This stone complex marks the urban center of a lost civilization.

A remarkable geological formation resembling a forest made of stone.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Staves, storm-calling, and of course, necropants.