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

Noirish green neon marks the location of one of the oldest private detective agencies in France.

This banal Parisian entranceway is not what it seems.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

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

This Parisian fountain is a little bit fantasy and a little bit nightclub.

A surrealist timepiece by the artist of melting clocks.

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

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

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

One of the oldest medical collections in Europe focusing on rare surgical instruments.

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

The oldest stone house in Paris was built by its most famous alchemist.

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

Notorious artist squat renovated into legal studios.

France's most famous cemetery, with some of its most curious tombs.

This tiny museum hidden above a restaurant houses thousands of modern and traditional kites.

The small candy-colored ride is the last rooftop Ferris wheel in Tokyo.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

A King Kong-like gorilla hangs from the top of this commercial building in Tokyo.

An astounding annual light display honors the victims of one of Japan's most devastating earthquakes.

This Kyoto Starbucks takes coffee drinkers back in time.

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.

Transport yourself to the 1980s era of video games at this themed restaurant and bar.