Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Rainbow-hued local gem in Venice.

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

A few iconic structures are all that remain of America’s first outdoor shopping mall.

Historic house-museum dedicated to the revolutionary gay graphic artist Tom of Finland.

Feast on Caribbean classics from curry goat to black cake.

Superb sweets await at the first Jewish bakery inducted into Berlin’s prestigious baker’s guild.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

A mechanized clock where a man fights off a dragon, crab, and rooster.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An abandoned 17th-century baroque hunting lodge with a wonderfully strange architectural plan.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

A colossal aqueduct from the second century B.C., deeply hidden in a gorge on the outskirts of Rome.

A work of art that pays homage to a Victorian timepiece in Providence.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

On the edge of this small Washington Park, a piece of the Earth's mantle has come to the surface.

An abandoned piece of phallic art repurposed by locals into a makeshift fertility shrine.

These narrow stone granaries have been used to store and dry out grain for hundreds of years.

The longest covered bridge in Delaware.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”