This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

A stunning two-story timepiece within a medieval Brick Gothic church.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

Its collection offers a glimpse into the Russian Old Believers' centuries-old way of life.

Scars from the English Civil War mar this medieval sanctuary.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

Inspired by a dream, a hermit carved out a home in this sandstone bank to live a life of contemplation and prayer.

One of England's most famous churches hides a pair of little known architectural treasures.

An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

A set of medieval stained-glass windows tell the gruesome story of a Viking siege.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

A bronze statue of a low three-legged seat commemorates a piece of furniture that started a riot.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

A plain wooden seat that once belonged to one of the most prominent figures of the Protestant Reformation.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

Seat of the Duke and Duchess of Devonshire for centuries.

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.