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

The oldest Roman lighthouse still in use.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

France's most famous cemetery, with some of its most curious tombs.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This unattributed sculpture in Amsterdam is hiding in plain sight.

Spend your honeymoon where the Devil had his wedding.

The Guardian of Tallinn.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

A fascinating insight into daily life in the Eastern Bloc.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

This ancient abandoned church in a remote part of Turkey is in danger of falling over.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

Mysterious craters may have been home to an ancient cult.

Fascinating town where normal life interfaces with the occult.

This historical Netherlands fortress still bears the marks of its single siege.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.