One of the only memorials dedicated to journalists who died in combat.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

Decades before the scandal, this staircase on the river was a literal "water gate."

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

Just a man taking his prehistoric pet for a stroll.

A small Richmond island dotted with the remnants of hundreds of years of history.

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

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

A genuine Tudor manor transported piece by piece from England.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

The most accurate timepiece in the world.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

A toxic ghost town sitting atop a massive coal fire.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

An eerie, decaying ghost town destined to fade into the forest.