This now abandoned restaurant provides some of the most amazing views of Lisboa.

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

This little-known national museum houses over 40,000 works of art from across the world.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

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

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

The largest medical and anatomical collection in France lies hidden from the public.

Former home to Polish artist Tamara de Lempicka's dazzling Art Deco duplex studio.

The French leader's hat sits in a glass case at the oldest restaurant in Paris.

A letterpress workshop committed to the art of printing, with unique and creative designs.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

An unusual number plate signifies the building's saucy past.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

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.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The final resting place of the "father of special effects."

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

A modern-day Lascaux cave underneath Paris.

The history of radiation is on safe display at the foot of a radiation science laboratory.