This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

This small museum displays a collection of outsider art and scale models of past "treatments" for mental illness.

Artworks by loners, prisoners and the criminally insane.

Museum of science fiction, utopias, and extraordinary journeys of the mind.

Vines grow up the metal bars in this public park created from an old machine factory.

A mythically themed self-built sculpture park.

Museum dedicated to wax representations of disfiguring diseases.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

Large Hadron Collider and the Birthplace of World Wide Web.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

This stunning and ethereal mural symbolizes the beauty, unity, and diversity of humankind.

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.

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

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

Mexico City's residents are being watched by this state surveillance headquarters, designed by architects with a flair for intimidation.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

These unusual paintings give thanks to the saints and deities who granted people favors and miracles.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.