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

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

Avoid gangster interaction while window-shopping.

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

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

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

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.

Peek through the gates at this oasis from the city, full of Old English charm.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A semi-scholarly approach to sex.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

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

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Tucked in the back of this amazing antique store is an important piece of medical history.

A terrific purveyor of natural history objects and curios.