A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

The Guinness Record holder for largest hedge in the world is a verdant Scottish bulwark.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

This effigy was crafted to annoy a neighbor after a civil dispute over a foul smell.

This severely painted building has a twisted connection to the witch hunts of the 1640s.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

A plaque commemorates a Victorian scientist's monumental discovery about waves.

A former church that has been chronicling the Scottish island of Islay's rich history since the 70s.

This massive, 30-foot-tall statue of the famed Scottish knight overlooks a grassy knoll.

Named for its similarity to the tip of a violin's bow, this striking formation was created by millions of years of erosion.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

After 800 years, Europe's oldest elm tree has met its end.

A dozen cast iron leopards stand guard along the length of Aberdeen's Union Bridge.

Inscribed on the gate are the names of 29 figures from the University's first five centuries.

A cottage built at the birthplace of Alexander Selkirk, a sailor who inspired the novel 'Robinson Crusoe.'

Small sculpted heads of prominent phrenologists mark the outside of their former headquarters.

This remote Scottish island has the only round church in the nation.

Dedicated to the Father of the British Fire Service.

The 18th-century inspiration behind Harry Potter's Sorting Hat.

These ruins saw a second life as a cemetery.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

One man's remarkable private collection of art from around the world.

This small chapel is built of human bones and decorated with a golden skeleton.