An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

The winter home of millions of migrating monarch butterflies.

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

A beautiful and controversial modern sculpture that alludes to the Aztec past identity of the Virgin of Guadalupe and the phenomenon of syncretism.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

The corner walls of a primary school showcase a Mexican version of memento mori.

Hotel designed around a 16th century Mexican bullring.

The spectacular subterranean collection includes dazzling minerals, including a piece of "kryptonite."

Rippling sand dunes frozen in the Arizona rock.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.