A relatively small building, Unity Temple, in Oak Park, Illinois, has assumed an importance in concrete history far beyond its size and appearance.
St. Peter's, the majestic basilica in the Vatican, is the largest church in the world.
In 1852 George Barrett, a miller from Vermont, watched his frame house burn nearly to the ground. He vowed never to rebuild with a material that could burn.
Concrete, so commonly accepted in our buildings, bridges, highways and an infinite variety of other structures, is taken for granted as massive and weighty.
Described when it was new as one of the most colossal undertakings in the history of American sculpture, the Fountain of Time is a cast-in-place exposed aggregate concrete work of art.