A petite castle folly in the English countryside.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

The home of an eccentric Edwardian gentleman is packed to the rafters with handcrafted items collected over a lifetime.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

An optical Illusion once believed to be an electrical phenomenon.

This 16th-century house tells the city's history through old artifacts and quirky tales.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Largest lake in Great Britain measured by surface area.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

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

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

Europe's largest prehistoric mound – burial site of a legendary king?

If they push on just the right spot, even the weakest person can move this titanic boulder.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This bridge was constructed from the rubble of the infamous Bastille.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The famous winding walk at Chartres is surrounded in mystery and myth.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

19th century pendulum and a clock restored by a rogue group of guerilla artists.