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.

Inside this art museum resides one of Glasgow's most famous musical instruments.

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

Time stands still at this serene burial ground in the center of Budapest.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

The red letters in the literary pavement leading to the library form a mysterious code.

An artsy hidden staircase leads to breathtaking views of San Francisco.

This whimsical public art installation is a unique homage to Liverpool's industrial heritage.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

Theme park featuring miniature replicas of European monuments.

Meet the bronze beloved pet to a family of famous peeing statues.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

The last of the 19th-century booze-free bars has been slinging teetotal tonics for over a century.

This antique shop and tea room reside inside a twice defunct church that was moved stone by stone to its current location.

At night, the enormous sculpture looks like a UFO hovering above the English hills.

Much of what constituted mid-century Liverpool now litters a beach outside of town.

A hundred copies of Antony Gormley's naked body stare out across the water.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.