A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

A celebration of capitalism in Midtown.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

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

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Read a book next to a Midtown waterfall.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

This semi-hidden Manhattan restaurant is based out of a loading dock.

What happens here stays here – unless it affects the whole world.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

The former hotel where Tesla invented the radio.

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

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

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

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

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

A Manhattan office building is home to the world's largest chess board.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

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

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

A miniature rainforest is growing inside of a Midtown Manhattan office building.