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.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

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

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

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

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

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

Spend the night in this formerly abandoned traditional Scottish village.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

The atmospheric road was never meant to be so creepy.

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

360° views of the city plus five floors of optical illusions and hands-on science.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This iconic fortress was once the crown jewel of Haiti's national defense.

A once extravagant mansion, now reduced to ruin.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

Bridge that died in war and was resurected.

World's largest crossword puzzle spans the side of a towerblock, its clues scattered throughout the city.

A Hawaiian stairway to heaven—that you can't climb.

Hotel designed by indie graphics artists.

A taxus-tree to which Julius Caesar reputedly tied his horse.