Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

A monument to a one-legged kidnapper, horse thief, and charlatan asks visitors to throw rocks in a pile.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

The world’s largest concentrated solar plant generates as many problems as megawatts.

This giant temperature attraction created some giant electric bills.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

Where layer cakes tower above one’s head and there is never a shortage of icing.

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

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.

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

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

CDMX's home for the world's culinary delights.

Beneath the most controversial monument in Mexico City is a cultural center that exhibits only digital art.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

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

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

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

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

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

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

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