The Farnsworth House

If you want a real road trip to an architectural treasure, hie yourself to Plano on the Fox River and to Mies van der Rohe's domestic modernist masterpiece -- the weekend retreat he created in 1951 for Chicago physician Dr. Edith Farnsworth. The "glass box" sits on a 62-acre estate, and is generally not visible from the road, so the only way to see it is on a tour. The Chicago Architecture Foundation offers motor coach tours, or you can go via minivan with Off the Map Architectural Excursions. 14520 River Road, Plano; tours Tue.-Sun. for $25; 630-552-0052 or farnsworthhouse.org
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