The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

There aren't too many operational funiculars around, but Pittsburgh has two!

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

Within this lovely Richmond cemetery lie the remains of famous Virginians and some of Edgar Allan Poe's most beloved family and friends.

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

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

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

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Washington's iconic carousel has a nice piece of Civil Rights history.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

The tunnel under the Capitol Building where Congress takes out its trash.

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

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

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