Oh, the famed Sturgis motorcycle rally is wrapping up its 72nd year in South Dakota this weekend. And as the rally ages, so do many of the riders. NPR's Amy Walters was there with some rally old-timers - rally old-timers - checking out what's new on three wheels.
In Lead, S.D., a steel cage drops almost a mile below ground into the Sanford Underground Laboratory. It's formerly the deepest underground gold mine in North America, and when it closed a decade ago, state officials hoped that an underground science laboratory along with on-site university classes could spur economic development.
Survivors say the wall of water was like a tsunami that destroyed nearly everything in its path as it roared through a Black Hills canyon and into town. The flash flood that hit Rapid City, S.D., on June 9, 1972, was one of the worst floods in U.S. history. It killed 238 people and damaged or washed away more than 1,300 homes.
On Saturday, the city will read the names of those who died and reflect on how the flood changed the way the city and others towns across the country built themselves.