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

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

This stately estate house features a tower covered in a bright, modern mural.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

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

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

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

A pagan tradition of draping trees with rags eerily lives on.

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

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

Spend the night in this formerly abandoned traditional Scottish village.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

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

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

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

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

This charming candle shop has been in business since 1789.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

A garden in Lisbon filled with giant porcelain creatures.