These crude contraptions were used to aid in the mining of lead, silver and gold.

This tower was constructed to commemorate the man who helped bring true democracy to the United Kingdom.

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.

6000-year-old site covered in more than 50 megaliths.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

The church is gone, but the graves and legends remain.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

The world's largest wooden structure.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

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

Pop culture has helped to keep this iconic British building from being destroyed.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

This 13th century Gothic brick castle is the largest in the world by surface area.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

Modern art commemorates one of the first military actions of World War II.

This early Norman castle was the first historical monument protected by an act of Parliament.

This overlooked street light once served as a KGB dead letter box.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

A picturesque garden with a surprising past.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

The castle still holds traces of the abandoned Roman fort it was built atop.