Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The fight to make Bengali an official language started in this stunning university hall.

All that is left of an Armenian community that thrived in Dhaka 200 years ago.

The untimely death of a dignitary's daughter led to this fort being abandoned before it was ever finished.

A tiny mosque decorated with mosaics using an early form of recycling.

This colorful palace is an oasis of calm amid the hustle and bustle of the Buriganga riverfront.

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

A celebration of Colombia’s premier contemporary artist.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

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

After several moves across Mexico City, these two statues found a home in Mestizaje Park.

This scenic cable car ride glides 100 feet above Mexico City.

This mid-century mural portrays humankind's spiritual and scientific journey.

The collection of intricate sculptures includes one carved from a mammoth's tusk

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

The Mexican painter Diego Rivera created this unusual museum to display his collection of pre-Hispanic artifacts.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

The only castle in North America to ever house European sovereigns.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

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