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

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

66,000 pieces of art, donated by one of the world's richest men.

Part bookstore, part café, and part forest.

Former villa and estate of James Deering developed to preserve native tropical forests.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

This building was designed to celebrate Italy's victory in World War I.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A very classy 1920s-era bar right in Grand Central Station.

Sniff the Titan Arum's rotting flesh.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

Three prestigious academic collections come together to create a world-class natural history museum.

The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

A view-altering observatory at the University of Texas.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

Colombia's biggest botanical garden contains plants from all across the country.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

This whimsical home made entirely from clay is basically a giant piece of pottery.