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

The world's largest indoor go-kart racetrack is hiding in Connecticut.

This enormous abandoned factory is now a makeshift graffiti gallery.

Connecticut grave of the woman responsible for the Winchester Mystery House in California.

Final resting place of a New Haven urban legend.

The cave where two British judges hid in exile after sentencing the king to death.

The tragic tale of the dentist who pioneered the use of anesthesia.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

This historic park site contains the last remnants of a once bustling canal system.

The mysterious headstone of an unidentified bank robber was seen visited, every year, by a woman in black.

An overgrown and abandoned tuberculosis ward resides in the midst of a quaint modern neighborhood.

The gravestone of an eccentric Connecticut doctor features dinosaur tracks and a pair of fossil tree casts.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

This phantom island appeared on maps for over a century before amateur radio enthusiasts beat Google Earth to the punch in its "undiscovery."

The ship that got left behind.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

An enormous cat made of recycled wood scraps.