Outsider art meets paleontology at this roadside reptile repository.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Standing for over 200 years, the abandoned home of a Revolutionary War hero and later a succession of prison superintendents.

Senators used to relax in the nearly forgotten marble tubs now hidden in the U.S. Capitol Building's basement.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

In the basement of the U.S. Capitol Building is a hidden storage room full of ornate floor tiles leftover from the 1850s.

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

A haunting tribute to pioneering photographer Clover Adams.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A nostalgic bibliographic gem.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

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

The United States Capitol's former columns still stand.

The narrowest house in America is seven feet of pure spite.

The rogue roots are gradually consuming some of the historic marble grave markers.

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