This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

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

Read a book next to a Midtown waterfall.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A massive Montreal stadium that has seen nothing but trouble since its inception.

A former copper mine which became a truly unsuccessful prison.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

A toxic ghost town sitting atop a massive coal fire.

World's first "penitentiary," meant to be humane, drove men insane.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Etchings in a pile of boulders on the Long Island Sound are a monument to vanquished native peoples.

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

New York City's smallest piece of private property.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

The oldest living tree in Manhattan comes shrouded in sinister legend.

2,000 barrels of aging beer hidden in a warehouse at the Brooklyn Navy Yard.

A hands-on traveling collection of the innovative devices of yesteryear.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

Red frames showcase remnants of one of New York's original subway stations.

The notorious headquarters of a corrupt political machine.

This abandoned subway station can still be seen on regular commuter trips.