Half of a waterfall goes into the river while the other half seems to disappear.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

100 massive sculptures in the Hudson River Valley.

The largest known open fault in the United States is basically a giant natural refrigerator.

This once-private estate is now a dreamy, meditative garden that's open to the public.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

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

This isolated community does not want you to visit.

This whimsically unique butterfly farm focuses solely on creating habitats for the gentle insects.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

The oldest continuously inhabited street in America.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

Inside a state forest, the forgotten remains of a Cold War defensive installation.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

This picturesque Victorian ghost town was once a thriving mill community.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

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

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

Who knew the Devil's domain was a hot spot for tubing?

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

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