I'm going to leave off anything that would require a child to ride as I wouldn't bother with those (however, I will include kiddie coasters without child restrictions).
Rides closed on my visit:
Half Pipe (Elitch Gardens)
Hoosier Hurricane (Indiana Beach)
Nighthawk (Carowinds)
Stinger (Dorney Park & Wildwater Kingdom)
Klondike Gold Rusher (Wild Waves Theme Park)
Boomerang (La Ronde)
Rock 'n' Roller Coaster (Disneyland Paris-Walt Disney Studios Park)
Rides with a longer line than I was willing to wait:
Little Dipper (Six Flags Great America) - 60 minutes
Spacely's Sprocket Rockets (Six Flags Great America) - 30 minutes
RC Racer (Disneyland Paris-Walt Disney Studios Park) - 70 minutes
Rides where I didn't want to hold my group up:
Roadrunner Express (Six Flags Discovery Kingdom)
Blazin' Buckaroo (Elitch Gardens)
Circus Coaster (Luna Park)
Sideshow Spin (Dollywood)
Puff the Little Fire Dragon (Lagoon)
Rides where I simply ran out of time before getting to them:
Wild West Express (Glenwood Caverns Adventure Park)
Great Chase (Six Flags New England)