The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

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

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

This lonely tower survived the landslide that devastated much of a Mexican mining town.

The winter home of millions of migrating monarch butterflies.

This former 17th-century church now houses a university's public library along with several mural masterworks.

This masterpiece of muralism depicts the rich culture of the people of Michoacán and their timeless connection to the land.

This feature of the city's aqueduct has achieved numismatic fame thanks to its appearance on Mexican banknotes.

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

One of Mexico's rare urban natural parks features waterfalls and a working fish farm.

For decades, the parade of apostles that left the Expiatory Temple of Guadalajara remained hidden inside one of the towers.

This structure was moved nearly 40 feet while people continued working inside it.

One of the oldest hospitals in the Americas is now decorated in hallucinatory murals.

This colorful, ornately-decorated cemetery sits next to a quiet cove known as "the beach of the dead."

This bridge over the River Cuale leads to a neighborhood that was once an escape for Hollywood's elite.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

A sculpture dedicated to the trade that gave the town its name.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A display of magnificent stained glass windows is the first exhibit of its kind.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

To find the "unicorns of the deep" you've got to go downstairs.