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

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

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

Elevated freight railway turned wildly successful urban park.

Dr Barnes' $25 billion private collection of art and arboretum.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

It's not your typical library, memorial, or book store.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A Saint Nicholas-themed ghost town in the Mojave desert.

This giant temperature attraction created some giant electric bills.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

An urban laboratory.

A geological mystery on Camelback Mountain.

The remains of the first punk club in L.A.

Celebrating the greatest pugilists the world has ever known.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.