An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Local authorities nearly destroyed this mural before a viral video rallied international support to save it.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

A layered tribute to the work of mosaicist Isaiah Zagar.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

At this Oaxaca contest, artists turn purple produce into stunning depictions of saints, buildings, and La Pietà.

You can release a young butterfly at this beautiful indoor garden.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

These azure waters were thought to lead to the Mayan Underworld.

A tomb in the shape of a traditional Mexican hat and shawl for the father of modern rancheras.

The Peruvian Andes are a center of hummingbird diversity, and this garden offers an opportunity to see more than 30 species of hummingbirds.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This immense scene of a cosmic battle between a jaguar and serpent illustrates the Aztec concept of the duality of life.

A grand entrance to one of the world's smallest Chinatowns.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.

CDMX's home for the world's culinary delights.

A scientific repository of goiters, boils and other ailments throughout Mexican history.