A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.