The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

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

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

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

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

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Pilgrimage site for star-crossed lovers.

The silly symbol for an underground protest group is now scattered around the city.

A striking public sculpture representing the period of martial law in Communist Poland.

Relive a Polish uprising via an enormous, century-old cyclorama.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

A tall karst islet popularized by 007.

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Massive galleon from a box-office bomb docked in Genoa.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

A beautifully eclectic mix of architectural styles.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

This automated sculpture of two men peeing will spell out text messages with their micturition.