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

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

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

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

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

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

Elevated freight railway turned wildly successful urban park.

A crumbling hospital from the 1850s on Roosevelt Island.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

This Queens beer hall preserves a German culture and language that is all but lost.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

Nature's biggest mammal swims in landlocked Oklahoma.

A burial ground of rusting metal grave markers.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

This highway overpass was named after the tragic disappearance of a young mother who got mixed up with the wrong people.

Hundreds of trees made from glass bottles make up this forest on Route 66.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This Route 66 classic sports a giant fiberglass rabbit that you can ride.