A Yiddish theater turned movie house turned rock and roll landmark turned gay disco turned bank.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

Constructed in the 1920s, this former pencil factory is now an office building.

Take in a rare, face-to-face glimpse of Lady Liberty at this tucked away Red Hook park.

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

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

A garment factory hides a small Dominican eatery in the hallway to its freight elevator.

The first museum in the United States dedicated entirely to posters.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

An unassuming secret door once led to a legendary watering hole.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

One of the highest emergency huts in the world has been waiting almost a century to give imperiled climbers a place to lie down.

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

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

Prove you deserve to be fed by Kenny Shopsin.

“Invented in Key West, Perfected in Brooklyn."

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

NYC's legendary underground network for bovine transportation.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

In which a local geological marvel becomes a quaint roadside attraction.