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

An abandoned Depression-era zoo hidden just off the highway.

An abandoned Victorian-era mill in the middle of modern Manchester.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

A historic lighthouse steeped in rumors of ghost and pirate stories.

This forgotten graveyard in rural New York State once served a pioneering hospital.

A Circus legend leaves an unexpected endowment.

A permanent outdoor art installation made up of more than 100 mushroom-shaped lights.

Where pardoned turkeys once spent their all-too-brief final days.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

The first memorial dedicated solely to the Black troops who fought for the Union.

Decommissioned NYC subway cars are dumped into the ocean to create this underwater wildlife habitat.

This former tuberculosis treatment facility now stands at the center of a public park.

The angel of death appears to weep black tears at this grave marker.

This cemetery is home to numerous granite headstones that are works of art unto themselves.

Mysterious stone tower featured in many alternative histories of the New World.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.