This 16-foot, intricately detailed model of the Gearing-class destroyer has been called the most detailed model ship ever built.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

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

A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

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

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

This suburban house is made of dirt, and almost sparked a revolution in home construction.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This lovely tree was a thank you gift from the man known as "Public Enemy No.1."

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

The development and impact of electronic media showcased in a picturesque farmhouse in Maryland.

The world's oldest continuously operating airport was founded by the Wright Brothers.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

This 1830s store is believed to be the site of Harriet Tubman's first stand.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.