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

All that remains of the medieval palace of the famous "Black Prince."

One of these two land speed record-breaking vehicles went so fast it shattered the sound barrier.

Built in the 1300s, this magnificent building that hosted England's kings and queens transports you to the Middle Ages.

Every hour on the hour a naked heroine and her leering foil appear from this giant cuckoo clock.

A preserved block of timber buildings from the city's industrial era in the Middle Ages.

This amazing 15th-century mural remained hidden in plain sight for centuries.

There are hundreds of secret WWII bases hidden in British forests. Built to fight a Nazi invasion, they remained unknown for decades.

This restaurant's specialty is "a major enigma for food historians."

In addition to escorting prospective couples to and from ballrooms, this lane was also a place for gentlemen to settle scores.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Don't be fooled by this fake medieval facade even if it is almost 300 years old.

The 16th-century church was kept in its ruined state as a reminder of the casualties of World War I.

Built in 1347, this belfry is one of the oldest in the world and survived intense bombing during World War I.

This traditional festival celebrates a family of wooden giants that have survived Nazis, wars, and religion.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

Museum in a swimming pool where the water still flows.

This old, abandoned hotel offers magnificent views.

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

An enormous Polaroid picture adds an artistic flair to Rotterdam.

Wind power station for making famous Ketel One vodka.

Rumored to have been frequented by Vincent van Gogh, it's the only remaining genever producer in the Hague.

A nuclear reactor created for Eisenhower's "Atoms for Peace" campaign is now used for research at a Dutch university.