Riverfront Park in Spokane, Washington features a large red wagon that doubles as a playground slide. It is 12 feet (3.7 m) high and 27 feet (8.2 m) long. The interactive sculpture was sculpted by Ken Spiering and installed in 1989. The Spokane clock tower was once part of a Great Northern Railway depot that once occupied the site. Spokane is a city located in the Northwestern United States in the state of Washington. It is the largest city of Spokane County, of which it is also the county seat, and the metropolitan center of the Inland Northwest region. The city is located on the Spokane River in Eastern Washington, 92 miles (148 km) south of the Canadian border, approximately 15 miles (24 km) from the Washington–Idaho border, and 230 miles (370 km) east of Seattle.