Movies Shot in Cincinnati: from Eight Men Out to Seabiscuit.
The True Cost of Commuting: You Could Buy a House Priced $15,900 More for Each Mile You Move Closer to Work: just that, suburbanites.
Floyd Bennett Airfield: incredible photos from a strange place in Brooklyn.
Frankenstein’s Castle in Dayton: it may or may not be haunted.
LEGO Architecture: Towering Ambition: a current exhibit at the National Building Museum in Washington, DC.
Sanborn Fire Insurance Maps: amazing cartography and typography, all rolled into one beautiful, informative package [this archive includes only cities in Utah].
Rainbow House: just that, plus an amazing spiral staircase.
Department of Everyday Visualingual 
The library’s online records includes the Sanborn maps for parts of Cincinnati. It includes downtown, Mt. Adams, OTR, Queensgate & West End, and the University area to parts of Walnut Hills.
http://virtuallibrary.cincinnatilibrary.org/VirtualLibrary/vl_Maps.aspx
Wow, Dan, that’s an awesome find! I love Sanborn maps.