After years of slow decline, a derelict Gothic castle is now being restored to life.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A historic Georgian building and warm springs.

This foreboding medieval castle was twice besieged by barons rebelling against the English king.

England's most notorious suicide spot.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The monster at the center of the Darwin Center Spirit Collection.

Repository for more than 22 million pickled specimens.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

This London plaque marks the spot where David Bowie's famous alien made his debut.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

A famous burial ground with a history both grim and literary.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

This 11th century tower is said to be the oldest building in Oxford.

A plaque marks the humble origins of an artistic muse who embodied the ideals of Pre-Raphaelite beauty.

The grand complex of buildings that comprise Liverpool's Exchange Flags includes a vast World War II bunker that has been frozen in time.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."