One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

Vines grow up the metal bars in this public park created from an old machine factory.

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

A modern-day Lascaux cave underneath Paris.

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

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

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

Paris' linguistic guide to the international language of, yes, love.

Abandoned railway line circling the city of Paris.

Notorious artist squat renovated into legal studios.

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

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

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

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

A collection of abandoned typographic signs from Berlin and beyond.

This classic restaurant features a gorgeous mirror-clad room.

An eerie, derelict amusement park in Berlin.