Try a hike up a 320-story building.
This morning one of my millennial sons went over to Yosemite National Park to join a local hiking club for a hike up the "Four Mile Trail." This hike goes from Yosemite Valley's floor all the way,straight up, to the overlook at Glacier Point.
Until my recent terminal cancer diagnosis, this hike was on my bucket-list. Here's the url to an essay I wrote about it in 2018: