A surprising, but overlooked example of geology in the middle of the nation’s capital.

Former villa and estate of James Deering developed to preserve native tropical forests.

This steamer is known as "The ship that built Cleveland."

A wonderful and easily overlooked museum tucked in Ohio's Burke Lakefront Airport.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

An unprepossessing stone marks the last resting place of one of the most accomplished Native Americans in history.

This restored house is like a time capsule of the president's unconventional inauguration.

This Buffalo museum hides an Art Deco gas station designed by Frank Lloyd Wright.

The absurd creation is a compulsory destination for selfies in Buffalo.

It was once the base for a series of domestic terror attacks.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

A striking memorial to the 21 lives lost in an explosion at the Washington Arsenal

The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

This unassuming passageway played a key role in one of the most important events in U.S. history.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

Go take a picture with the inventor of the daguerreotype photographic process.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

The oldest continuously operating fish market in the United States.

There’s a hidden military meme engraved on the World War II Memorial.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.