This uniquely shaped rock formation is one of Scotland's most iconic mountains and gives spectacular views in all directions.

An 18th-century viewpoint across the surrounding highlands.

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

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

A single oak tree rises out of the waters of Loch Lomond.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

Crop circles inspired this whimsical garden in Germany.

A historic steam train meanders along one of the most scenic rail routes in Germany's Black Forest.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

A rare example of a German cemetery with traditional grave markers dating back several generations.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

The romantic botanic tunnel feels like a well-kept secret.

A collection of items from a way of life that no longer exists.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

The world's longest and deepest train tunnel.