Its most enigmatic sculpture is a giantess with a ghostly face on her knee.

This mosaic made out of books represents one of Colonial Mexico's most important literary figures.

Founded by a Basque immigrant, Mexico City's oldest bakery has a history dating back to 1870.

Get a privileged view over Mexico City's Historic Center from a terrace right in its heart.

This museum houses two of Mexico's most impressive Aztec monoliths.

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

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

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

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Architectureal fantasy quarter of Rome.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Colorful, cheeky signs spill out of legendary New Orleans folk artist Dr. Bob's Bywater studio warning you to "Be Nice—Or Leave."

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

This city block-long devotional site, a replica of a famous site in France, is dedicated to the patron saint of grandmothers, mothers, and educators.

Professional and amateur dioramas, taxidermy, and oddities all located in an attic above a gallery.

This New Orleans boutique and nursery specializes in rare flora, with a focus on carnivorous plants.

An artist weaves "wooden quilts" with scraps salvaged from his Katrina-damaged home in Tremé.

The tallest monument in a historic New Orleans cemetery was prompted by romance and dash of pettiness.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.