A riverfront park that both remediated and preserved its industrial past.

This Central New York ghost town was once a prosperous railroad community.

The lost town of Neversink, sunk by New York City.

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

This old cement mine has been used as everything from a mushroom farm to a recording studio.

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

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This abandoned factory on the Hudson River once churned out a million bricks a week.

A once grand hotel is being retaken by the wilderness it once capitalized on.

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

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The monument dedicated to Phineas Gage in the town where his accident happened.

This magnificent Japanese garden provides a moment of Zen in rural Vermont.

The world’s largest underground marble quarry is hiding in Vermont.

Driftwood dinosaurs lurk within trees covered in a rainbow array of avian abodes.

A tomb with a window to ensure the interred wasn't buried alive.

A gardener's enduring labor of love is spread throughout a small Vermont town.

A small chapel celebrating the spiritual bond between dogs and humans.

The remains of a large iron mill that once stood in the remote woods of northern Maine.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.