A tribute shrine where the Space Invasion street art movement started.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

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 lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

The narrowest street in Paris.

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

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

Notorious artist squat renovated into legal studios.

A model train wonderland hidden beneath Gare de l'Est station.

A jumble of concrete on the corner of one of London’s terraced buildings is actually a work of art.

A miniature village mimics the surrounding buildings so well it includes itself.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This building contains a door only used by members of the royal family.

The taxidermied remains of a once-great parrot.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

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

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

France's national museum of scientific and industrial instruments.

This small, ingenious cannon once helped regulate Parisian life.

One of Jeff Koons’s largest sculptures and his first commemorative work.

This impeccably preserved farmstead is a time capsule of a Pulitzer Prize-winning novelist's life.