This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

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

This monument is dedicated to Balto, the heroic Alaskan sled dog.

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

This horror movie and monster shop is like if a haunted house was a retail store.

Commemorating the spot where the famous scientist fed his pigeons.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Also known as the Osaka Garden, this garden was originally built in 1893 as part of the World's Columbian Exposition.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

Burial site of the notorious Chicago gangster.

A section in the cemetery mostly for circus performers, including victims of the famous 1918 Hammond Circus train wreck.

A tragic mystery left this boy nameless for 65 years.

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

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A towering Art Deco movie palace made to look like a Mayan temple.