Mexico City's largest market contains a Willy Wonka-esque wonderland.

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

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.

This enormous abstract sculpture is part jungle gym, part elaborate noise-making machine.

The beautiful baroque library of the Hapsburg empire.

A naturally beautiful, seemingly bottomless deep blue spring.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

This spooky statue sits outside a famous Prague theater.

This Bangkok high-rise looks like a rudimentary LEGO elephant.

The bank's whimsical shape was inspired by a child’s toy.

A condom-covered Thai restaurant that is more concerned with birth control than food.

The collection of intricate sculptures includes one carved from a mammoth's tusk

A grand entrance to one of the world's smallest Chinatowns.

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

Inside a busy metro station, an impressive mural depicts the prehispanic city of Tenochtitlán.

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

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

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

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

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

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

Diego Rivera's massive tiled fountain and failed infrastructure project.