This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Two stone columns flank the grand Venice square, but there were supposed to be three.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Go inside to really appreciate this 500-year-old technological masterpiece.

This one-time health resort was used by aristocrats around the world.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

The footprint of a frustrated devil in Munich's Cathedral.

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

Statue dedicated to the star of an old television show.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

This striking art museum holds an amazing series of curiosity cabinets.

A walkable map of the world, made from soil and stone by one man.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.