|corner of Third and Main Streets|
|Detail of the corner|
My favorite part: the curved corner, the views from which must be just lovely from inside.
Absolutely fascinating reading about the downtown historic district generally can be found in the mass application for National Register status, here. (See page 11 for further details about this building.)
See also the Visit Winona downtown walking tour and the City of Winona downtown historic district design guidelines (page 43 - photo was taken from the Main St. side, rather than the Third St. side).
[the title quotation is by Ayn Rand, from The Fountainhead]