A pseudo street sign that reads, “Welcome to Perfectville, pop. 1, founded 1972” greets fans at the door.

New coach, new stars, new hype — the old way of Miami Dolphins tailgating is getting a makeover, too. Fans arriving for the Dolphins’ home opener vs. the New England Patriots on Sunday … ...

All these and more are part of a temporary museum in the South Plaza at Hard Rock Stadium to commemorate the Miami Dolphins’ undefeated 1972 team, which turns 50 this year.