This massive neon wheel is the only one of its kind to be built over a bridge.

This abandoned fishing settlement may well be the greenest village in the world.

Intensely colorful calcite pools in Southern China.

A part of the world's largest marsh seems to be growing bright red Martian grass.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

Fowl, love and death in Vietnam.

Life-sized painted illusions let pedestrians blend in with the street art.

France's high-tech, future-themed amusement park.

Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

A modern-day Lascaux cave underneath Paris.

A font of vintage porn on the silver screen.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

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

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

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

France's national museum of scientific and industrial instruments.

Notorious artist squat renovated into legal studios.

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

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