Other notable failed stadium projects:

1972: Vikings rolled out plan for a 70,000-seat dome, located where Target Center sits. Mayor Charles Stenvig was opposed, among others.

1972: Reporter George Beran hid in a closet to hear St. Paul Mayor Lawrence Cohen's still-secret plan for 80,000-seat outdoor stadium for Vikings and Gophers near State Fairgrounds. "Operation Skyhigh'' died quietly.

2000: Twins CEO Chris Clouser wanted outdoor baseball with temporary bleachers holding 25,000 in Mall of America parking lot for September series vs. Texas. Porta Potty Park didn't float with MLB.