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

A tree planted by Marie Curie is treasured by the Radium institute that she set up.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

A memorial to the beloved brown bear that served in the Polish army during World War II.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Offal and flawless onion soup are on the menu at this restaurant that once catered to the workers of Les Halles.

Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

Order a boozy baba au rhum at the oldest patisserie in Paris.

Marvel at the opulent Art Nouveau interior while dining on dirt-cheap French classics.

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

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

This Parisian gem is one of the most incredible ethnographic museums in the world.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

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

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

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

This museum houses an imposing skeleton army comprised of creatures great and small.

This Parisian café sticks almost exclusively to an ethos of reuse.