Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Elevated freight railway turned wildly successful urban park.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

A unique sculpture park that specializes in the huge and bizarre.

The trials and tribulations of marking Poe's grave.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

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

The United States Capitol's former columns still stand.

At 207 feet, one of the world's longest continuous escalators.

Art deco landmark on the outskirts of Washington, D.C.

The site of the climactic scene from the classic horror film is now a historic landmark.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The "lovely red Vega" of the legendary record-settling pilot.

Largest Roman Catholic church in North America.

Home to items never before seen by the public.