The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Home to items never before seen by the public.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

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

Cryptic messages embedded in the New York City sidewalk.

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

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

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

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.