Giant nude woman of Tijuana is also the artist's home.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

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

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A mysterious castle built as a monument to lost love.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A heavenly experience, right here on Terra Firma.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The first declared National Monument in the United States.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

A snapshot of the city's fascinating voodoo culture.

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

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Where Venice's gondolas go for a tune-up.

100 year tradition of fist fights, marked by marble footsteps.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.