The remains of what was once the world's steepest passenger funicular.

This abandoned ironworks was once the most important military supplier in America.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

Reforestation in action is the main attraction in this abandoned quarry.

Astonishing collection of helmets, scientific instruments, and medical models.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

Seven people are buried in the middle of what's now a movie theater parking lot.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

An allegedly cursed tree represents a town's reckoning with a racist past.

You must take the A train... to the last active cemetery in Manhattan.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

Take a step inside the picturesque studio of America’s most renowned sculptor.

Wine bottle sculpture with a ship's stateroom inside.

One of the only single-person private gravesites in New York City.

This outdoor gallery of sculptures along the East River was once a landfill.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A distillery built on (and above!) mobster Dutch Schultz's Prohibition-era underground moonshine business.