Two monstrous warehouses. One now holds priceless works of art, the other stands abandoned and dilapidated.

A working monastery hidden away in Brooklyn once abutted the location of a former inebriate's home.

The humble fort that saved Washington.

What’s a sure fire way to end up in jail in New York in the 1920s? Peddling bad moonshine.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Where there’s manufacturing, there’s fire!

The factory that helped produce a dominant form of lighting before Thomas Edison.

A strip of modern stores in historic buildings.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

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

Once considered the height of medical modernity, this structure is now the oldest remaining component of Roosevelt Hospital.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

The 28-foot granite map plots the locations of 40 theaters in New York City.

View the California coastline (and the home of Barbara Streisand) inch by inch with stunning, government-sanctioned aerial photography.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

Brooklyn's most iconic restaurant, resurrected.

Historic Greenpoint theater, turned roller disco, now housing a chain pharmacy store.