A reminder to choose water over wine since 1888.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

NYC's legendary underground network for bovine transportation.

The former hotel where Tesla invented the radio.

Nikola Tesla's former home contains an homage hidden from plain sight.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

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

Residents of this Brooklyn neighborhood may be unaware their houses sit atop a buried trolley graveyard.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

A celebration of capitalism in Midtown.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

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

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

If you were standing here on October 5th, 1950, you'd be dead.

This small New York museum celebrates the mountainous artwork of a Russian mystic.

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

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

All that remains of a magnate's dream home is a historic gate and an abandoned public pool.