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

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

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

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

The mansion home of author Edith Wharton.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

A suspended garden, now gone, once hung in the middle of this abandoned church.

This magnificent Cincinnati graveyard is also a popular public park.

A castle built by an eccentric medieval enthusiast in rural Ohio.

A miniature world of concrete and stone in Springfield, Ohio.

A swing to dangle you off the very edge.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

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

What began as an art installation is now the private drinkhaüs for a brewery's employees.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

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

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.