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

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

A lake at the bottom of the ocean.

Mexico's first public cable car soars over the congested streets outside Mexico City.

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

The stoutest tree in the world.

Stained glass windows bathe this botanical garden in cosmic light.

The singular ruins of a mysterious lost city.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

A dark tunnel leads to a striking white crater that seems to be from another planet.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

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

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

A museum in the former home of Marxist revolutionary Leon Trotsky.

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

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

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.

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

This beautifully deceptive waterfall is something far different from what it appears to be.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

The winter home of millions of migrating monarch butterflies.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.