According to tradition this is the oldest church in Venice, but its actual age is a mystery.

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

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

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

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

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

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

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

A brutalist gem towering over the heart of Milan.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Early prototype for Frank Lloyd Wright's Guggenheim.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

20,000 pieces in a Frank Gehry-designed building.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

A masterpiece of modern architecture that caused quite a stir in Paris, recreated in Bologna half a century later.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.