A beautiful example of 18th-century engineering still standing tall.

This baroque wonder is filled with a trove of artistic treasures.

The first public library in the Americas has more than 45,000 books dating back to the 15th century.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

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

This museum houses two of Mexico's most impressive Aztec monoliths.

A bronze statue of the famed Prussian naturalist commemorates the year he spent in Mexico.

It's believed this golden brick is part of the legendary lost Aztec treasure.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

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

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

Diego Rivera hid various people and symbols in his first large-scale mural project.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

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

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

A Buddhist temple on an artificial island that houses a monument to the fugu fish.

Only the face remains of this giant Buddha statue, which is said to be a source of luck for students.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

A Buddhist temple to honor insects that died for science.

This sprawling scenic burial ground is the final resting place of Japan's last shogun.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”