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

A Wisconsin kitsch palace from the 1930s lives its second life in 21st-century Brooklyn.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

An extensive collection of ancient Egyptian artifacts and mummies.

Commemorating the spot where the famous scientist fed his pigeons.

An artist's cute bronze subway sculptures belie his violent artistic past.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

Phil Mortillaro uses keys to bring art back to the Village.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

Where Venice's gondolas go for a tune-up.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

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

Oldest building in California still in use.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

An arcade packed with a rotating collection of unique independent video games.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

The first piece of public art dedicated to LGBT rights.