The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.

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

An underground city of salt.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

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.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Paris' linguistic guide to the international language of, yes, love.

Featuring the last fully walkable parapet walkway in Europe.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Famously misunderstood wonder of the ancient world

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This reconstructed ancient fort was home to one of the few horse training rings in the Roman Empire.

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

The longest canal aqueduct in England was built without a plan to get water past the moving boats.

Known as the "Stairway to Heaven," this historic canal dates back to the 1700s.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.