The oldest stone house in Paris was built by its most famous alchemist.

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Notorious artist squat renovated into legal studios.

Abandoned railway line circling the city of Paris.

This massive library holds what was once the largest book collection in the world.

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

A vintage penny arcade hidden in the back of a fun fair-themed bar.

A hidden sculpture garden tucked within the middle of Brighton.

Decrepit Victorian public lift is a white-knuckle ride.

A private selection of curiosities, carefully curated by a young Brighton local.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This crumbling coast and its teetering tower are literally filled with history, but they are also at great risk of becoming history themselves.

Centuries later, the victims of Great Britain's greatest hysteria are finally being remembered.

A perilous medieval road leading right into the sea.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

This medieval church is not only notable for its architecture, but also its connection with LGBTQ+ history.

Down a pint of ale where the Bishop of Ely's servants slept in 1546.

Crafted by one of the first makers of stoneware in England.

The arching stretch of London's longest street holds many reminders of the area's maritime past.

Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.

This Communist-era residential block is one of the longest residential building in Europe.

This museum in the tower of the oldest church in Gdańsk, is home to centuries-old time-keeping devices and the world's first pulsar clock.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.