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.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Commemorating the spot where the famous scientist fed his pigeons.

There must be a pun in this haystack somewhere...

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

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.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

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

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The "Seinfeld" diner.

Visit the monolithic tomb of America's most famous general.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

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

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.