The Collin's Foundation "Wings of Feedom" tour goes around the US every summer, rides are available on their B-17, B-24, and B-25 aircraft. I took a ride on their B-17 when they were at Paine Field (Everett) about 10 years ago. I only wish my WWII veteran dad was still around to take the flight with me - it was awesome and I know he would have loved it...
https://www.collingsfoundation.org/
One of these days I need to visit the Collin's Foundation museum. Last year when I visited Paul Allen's Flying Heritage and Combat Armor Museum, they'd just gotten in several new tanks (I'd passed a Churchill tank being hauled up Airport Road to the museum a couple weeks earlier). I asked where they'd gotten the new armor and was told they'd been part of the Littlefield collection before he passed. So I asked where the rest of the collection went and they said most of it went to the Collin's Foundation...