Move over, TJ?

For the last 20 years, Monticello and the University of Virginia "Academical Village" have been the only American places on the United Nations' list of World Heritage Sites singled out for their contributions to architecture. But soon, Mr. Jefferson may have to make room for Frank Lloyd Wright, as his Fallingwater house in Bear Run, Pennsylvania, is one of two sites the U.S. Department of the Interior has nominated to become a World Heritage Site this year, according to the Pittsburgh Post-Gazette. The World Heritage Committee makes it selections in March.