Billionaire Russian oligarch Oleg Deripaska's mansion at 2501 30th St. NW was raided by the FBI last week. Everyone's Googling around for details on Deripaska, but naturally, we're more interested in the history of the property.

Discover the story of Herbert Haft's Columbia Heights development agreement, which was canceled after 15 years of litigation and very little construction. Learn how the area has been transformed since then.