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

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

The first green space constructed on an elevated viaduct.

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

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

France's national museum of scientific and industrial instruments.

A museum of carnival attractions where you are invited to ride the rides.

Abandoned railway line circling the city of Paris.

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

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

Notorious artist squat renovated into legal studios.

This glamorous old building is said to have inspired the Tower of Terror.

This giant temperature attraction created some giant electric bills.

Hundreds of trees made from glass bottles make up this forest on Route 66.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

"Only the devil could play golf here."

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A beautifully eclectic mix of architectural styles.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.