This memorial has the tallest freestanding granite structure in the United States, standing at 40 feet in height.

Around half of the cost of the original playground was donated by Bechtel Hanford, KNDU-TV and Radio Tri-Cities.

Again the community raised the needed money to rebuild and volunteers from around the area offered a cumulative total of over 8,000 work hours.

The Playground of Dreams has a wooden castle-like structure with artwork that looks like a spaceship, farm, house and pirate ship along with more local themes including the Blue Bridge and the Cable Bridge.

All of the launches have parking lots that also serve as trailheads for the Sacagawea Heritage Trail.

There are multiple vendors and daylong activities, ending with fireworks being launched off of a barge floating offshore.

During the Columbia Cup in July 1996, two men wading through the river stumbled across a human skull.