Classic antique cars are seen at an auto dealer in West Branch, Iowa, March 6, 2015. Iowa, the American heartland. Endless farm fields and quiet towns. 56,273 square miles that are soon to become the focus of the nation as the long process of electing the next U.S. president begins. (Photo by Jim Young/Reuters)

A cow stands in front of barn painted with a U.S. flag in Homestead, Iowa, March 7, 2015. (Photo by Jim Young/Reuters)

A barn is painted with an image of the Statue of Liberty and a U.S. flag in Mt. Vernon, Iowa, March 8, 2015. (Photo by Jim Young/Reuters)

A mobile home is painted with U.S. flag and eagle in Marshalltown, Iowa, March 8, 2015. (Photo by Jim Young/Reuters)

A barn decorated with a mural inspired by Grant Wood's painting, “American Gothic”, is seen in Mt. Vernon, Iowa, January 25, 2015. Artist Mark Benesh recreated the original which was painted by Grant Wood. (Photo by Jim Young/Reuters)

A U.S. flag hangs from a barn in Solon, Iowa, January 25, 2015. (Photo by Jim Young/Reuters)

A U.S. flag is seen on the side of grain silo in Marshalltown, Iowa, March 8, 2015. (Photo by Jim Young/Reuters)

A couple walks past a metal sculpture representing a corn field in Marion, Iowa, March 8, 2015. (Photo by Jim Young/Reuters)

A metal sculpture in the shape of a corn cob is seen near a road in Iowa City, Iowa, March 6, 2015. (Photo by Jim Young/Reuters)

An antique car is seen on top of a post at an auto dealer in West Branch, Iowa, March 6, 2015. (Photo by Jim Young/Reuters)

An old closed up gas station is seen in Belle Plaine, Iowa, March 8, 2015. (Photo by Jim Young/Reuters)

An old closed up gas station is seen in Belle Plaine, Iowa, March 8, 2015. (Photo by Jim Young/Reuters)

A snow covered tractor is seen near Mt. Vernon, Iowa, January 25, 2015. 2015. (Photo by Jim Young/Reuters)

Part of a truck is seen for sale in Marshalltown, Iowa, March 8, 2015. (Photo by Jim Young/Reuters)

The road entrance to the “World's Largest Truckstop” in Walcott, Iowa, March 6, 2015. (Photo by Jim Young/Reuters)

A man walks past a truck set up as a display inside the “World's Largest Truckstop” in Walcott, Iowa, March 6, 2015. (Photo by Jim Young/Reuters)

Classic antique cars are seen through the showroom window of an auto dealer in Des Moines, Iowa, January 23, 2015. (Photo by Jim Young/Reuters)

A woman walks by graffiti artwork in Des Moines, Iowa, January 23, 2015. (Photo by Jim Young/Reuters)