The last moments of the ill-fated Pompeiians, frozen forever in plaster.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

The glowing blue Nymphaeum of Emperor Tiberius.

The oldest operating pharmacy in the world features 800-year-old recipes.

2300-year-old Roman road connecting the empire.

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

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Stalactites and stalagmites in a beautifully lit cave.

Pompeii's less famous neighbor is still revealing her secrets.

Renaissance villa and gardens complete with a tormented colossus.

The underground sanctuary of a mysterious ancient cult.

The middle finger of modernity.

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

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

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

A submerged archeological park still holds the wonders of a Roman Sodom.

A 16th-century horror show built in a lovely Italian garden.

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

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

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

A giant Troll lurks under one of Seattle's oldest bridges.

Try not to get slimed in Tribeca.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

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