This collection of promotional calendars preserves a staple of mid-century Mexican pop art.

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.

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

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

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

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

The Mexican painter Diego Rivera created this unusual museum to display his collection of pre-Hispanic artifacts.

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

A museum in the former home of Marxist revolutionary Leon Trotsky.

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

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

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

66,000 pieces of art, donated by one of the world's richest men.

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

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

The city of Halifax still bears the scars of the largest explosion prior to the atomic bomb.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.