Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

The first American department store, and home to the largest operating musical instrument in the world.

In the early 1800s, surgery was also a show.

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

Yo, Adrian!

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The United States Capitol's former columns still stand.

A rare view of a preserved Victorian science museum.

Where America's first doomsday cult awaited the end of the world.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Where Greenpoint's first European settler—and troublemaker—made his home.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Built as a home for the Union Porcelain magnate in 1867, now the Greenpoint Reformed Church and home to a ceramic mystery.

The only remaining Jewish congregation in Greenpoint.

Destructive children, start your engines.

A semi-scholarly approach to sex.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

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

Sniff the Titan Arum's rotting flesh.

Walk into the 19th century without leaving Brooklyn.