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

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

A haunting collection of the vanished and disappearing natural world.

The narrowest street in Paris.

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

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A Belle Epoque bordello turned into a themed love hotel.

This 18th-century sundial was designed to calculate the date of Easter each year.

This mural painted by Keith Haring was done without payment as a gift to entertain the children at the Hôpital Necker.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

This banal Parisian entranceway is not what it seems.

A museum of magic with a Sadist past.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

An abandoned swimming pool decays on the outskirts of Berlin.

Educational foundation that teaches the powers of fourth dimensional physical properties.

Giant nude woman of Tijuana is also the artist's home.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

A sprawling collection of over 106,000 toys from around the world.

The only Native American comic shop in the world.

When German-Iraqi relations broke down, this embassy was vacated post haste.

Blitzkrieg bop your way through Berlin's Ramones Museum.

A rare wayfinding portmanteau of “Street” and “Avenue.”