Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

On the Hudson resides one of the largest clocks in the world.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

A unique sculpture park that specializes in the huge and bizarre.

Nope, not Washington Irving's house.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A bit of retro transportation flair preserved in the world's largest department store.

The "Seinfeld" diner.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Lie in a hammock where George Washington stood.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A very classy 1920s-era bar right in Grand Central Station.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A semi-scholarly approach to sex.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.