Final resting place for the Triangle Shirtwaist fire’s unidentified victims.

Oldest surviving example of a Dutch saltbox frame house in America.

This recently uncovered ad for Lindsay's run at Mayor in 1965 had been hiding for decades underneath a billboard.

The home of aviation trailblazers, in a remote corner of the big city.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

Waterway populated with abandoned projects, including a submarine.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This seemingly unremarkable boulder is said to bear the hoofprint of the devil himself.

Records of the dead describe the myriad odd ways people used to die.

A curious friendship between two inanimate ladies.

A heartbreaking monument showing the last morning in the life of Jane Griffith.

19th century cemetery hidden in Brooklyn's Prospect Park.

Con Edison’s exotic and heat-loving pests.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

This neo-Gothic former auto showroom is one of the few remaining reminders of Brooklyn's "Automobile Row."

The childhood home of one of America's greatest unsung troubadours still stands in a much changed Brooklyn neighborhood.

This small-town pizzeria won the Hollywood lottery.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

As state highpoints go, this spot is one of the lowest, but for years it was also the hardest to climb.