This Aztec structure remained hidden until the demolition of a supermarket exposed the lost temple.

Mexico's largest collection of masks is found in the ruins of an abandoned convent.

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.

This one-window stand has been home to a giant vat of slowly simmering meats and an array of unique tacos for almost 50 years.

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

Where layer cakes tower above one’s head and there is never a shortage of icing.

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

Mexico's astounding mummy museum with "the world's smallest mummy."

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

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

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

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

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

This historic street in Quito is known for its seven stone crosses—and one presidential assassination.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

A swing to dangle you off the very edge.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

The world's most remote airport.

The ominously named cave is home to some remarkable ancient art.

This large round boulder is said to emit spiritual power, but it may just be magnets.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

This was once the center of the Birdman cult, and is now a World Heritage Site.