A barbarous band of serpents guard the bases of these Aztec temples.

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.

This crumbling Art Deco movie palace in Mexico City has been abandoned for two decades.

A scientific repository of goiters, boils and other ailments throughout Mexican history.

By night, this auto repair shop turns into a taquería serving up some of the city's finest al pastor tacos.

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

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

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

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

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

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

Twelve natural mummies are displayed in the crypt of this former monastery school.

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

The famous artist couple lived and worked here, in two different houses separated by a bridge.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

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

Frida Kahlo's childhood home, now a museum of her life and works.

A church dedicated to the Mexican skeleton saint.

A high point in Vancouver kitsch.

This Elizabethan hedge maze is one of only six in North America.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

This outdoor gallery of sculptures along the East River was once a landfill.

This eclectic sculpture garden in Brooklyn, home to a bizarre collection of art, was once a run-down junkyard.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.