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

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Designed as a place for patients to take in the scenery, this tower has a dark history.

Play everything you see at a museum dedicated to a town's historic organ industry.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A tiny island is connected to the mainland by a private railway that residents travel in their own personal wagons.

A beautiful Victorian-era cemetery, complete with a miniature village.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

A parade of antique steeds offers a quirky ride through history.

A seasonal movie monster museum featuring wax creations by a relative of one of the original Universal Studios monsters.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

Hidden behind a Target are pillows of cooled lava that formed at the bottom of a deep lake in the Mesozoic Era.

The kind of mixed-up place that drives archaeologists crazy.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

A mysterious collection of stones stand outside a small New England town.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

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

This abandoned amusement park was built on a site with a dark history.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

The remains of a deserted 1800s farming community can be found in Little River State Park.

Unicorns, elephants, and bears, oh my!

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.