Gods clash with machines in a power plant regenerated as a museum.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

A huge enchanting public park just outside the ancient walls of Rome.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

A literary park dedicated to the memory of a filmmaker, writer, and intellectual who was killed in 1975.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

The remains of the medieval wall that once surrounded Paris with ties to the construction of the Louvre.

The historic Masonic Lodge in which the first-ever female Mason was initiated.

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

A haunting collection of the vanished and disappearing natural world.

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

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

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

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

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Notorious artist squat renovated into legal studios.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

A curious collection of locks and keys.

A mechanized clock where a man fights off a dragon, crab, and rooster.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.