Do you know the origin of the name "Federal Triangle"? Did you know that at one point the area was called "Pennsylvania Avenue Triangle"?

Get a bird's eye view of Washington, D.C. with this aerial shot of Federal Triangle and the Navy Memorial under construction. Image taken during the 1980s.

Unbelievable! Check out this incredible image of the Department of Commerce under construction from the top of the National Press Building looking down 14th Street. Willard Hotel at right. From Shorpy.com.

Take a look back in time with this amazing shot of what would become Federal Triangle in 1932. Discover the history of the Old Post Office Pavilion, Southern Railway Building, and District Building on Pennsylvania Avenue NW in Washington, D.C.

Did you know the Commerce Department is built on top of an ancient pirate ghost river? Or that lost alligators once wandered the halls?

If you’re the kind of person that thinks walking home from Wonderland is sketchy, needs bars on your windows in Eckington or believes Petworth is a “fringe” neighborhood, you wouldn’t stand a chance in Murder Bay.