This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

Monsters and miniatures are held in equal esteem at this wondrous museum.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

There has been an astronomical clock on this spot since the 14th century.

The bears of Bern have been a city highlight for over 500 years.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This splendid tomb may look fantastic, but there's nothing in it...

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

Where the lovelorn find a home for their sentimental keepsakes.

A diminutive statue that was inspired by the sculptor's own daughter.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A fake Transylvanian castle houses a cathedral of antlers.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.