This subterranean passage reveals the city's mining history as well as its legendary terrors.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

After becoming locally extinct, this esteemed avian now flies free in the forests around the ancient ruins.

A giant Jesus statue watches over the city of Saltillo from the top of a mountain where it has been commandeered by vandals.

This grand yet little-visited tomb seems almost carved into the hill it sits on.

In the Valley of Morelos lies a mysterious Olmec site with signs of jaguar veneration.

This ornate church designed by a self-taught architect is an eclectic masterpiece in the heart of Central Mexico.

This Oaxacan town is known for its colorful fantastical creatures hand-carved by local artisans.

The conquistador's former fortress is the oldest preserved colonial building in the Americas.

Found down a long dirt road, a sacred Mexican cenote and 18th-century hacienda remain hidden.

This spot along the 23.5 degree north parallel marks the northern boundary of the tropics.

The Rio Lerma (Chignahuapan) in El Salto, Mexico, is one of the most polluted rivers in the world. It’s covered in white foam, and falling in can kill.

Trek through the jungle on a boat and a swinging bridge and you'll be rewarded with these refreshing, if pungent, mineral pools.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

The ruins of a former sanctuary for elite Aztec warriors.

Climb through the life of a Mexican hero as you ascend a 130-foot statue.

This French cemetery houses some of the most exquisite examples of funerary art in Mexico City.

Concrete construction materials turned into a fashionable capsule hotel in rural Mexico.

This popular cave pool is truly magical, despite the crowds.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

This singular broken monument, now housed in a museum, was the cause of a worldwide "Mayan Doomsday" phenomenon.

One of the few places where you can visit a cenote and Maya ruins at the same time.

A neo-Gothic temple in central Mexico featuring a labyrinthine network of crypts.

These enigmatic columns tower over the ruins of an ancient Toltec city.