A vintage video game wonderland in downtown Reykjavik.

An encyclopedic collection of mammal penises.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

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

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

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

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

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

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

Walk over a 150 year old manhole.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Elevated freight railway turned wildly successful urban park.

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

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Try not to get slimed in Tribeca.

New York's oldest magic store.

A terrific purveyor of natural history objects and curios.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

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