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Butch Dill/Associated Press

The big-bucks world of Power Five college football is most evident in the facilities programs use, from the massive on-campus stadiums to the team complexes with all the latest bells and whistles.

With spring practice getting underway for many teams this month, one of the best luxuries a college football team can have at this time of year is a state-of-the-art indoor facility.

Thanks to these facilities, extreme heat or precipitation won't be able to stop teams from getting all the work they want done in these crucial spring practices. Rest and recovery before and after these practices in attached football complexes are becoming just as important for players and coaches, too.

Let's take a look at 15 of the finest indoor facilities in college football, based on the size, price, specifications, amenities, dates of the facilities' openings and latest renovations.

The SEC—which will have all 14 teams with indoor facilities when Georgia opens its $30.1 million one next year—is still the king of indoor facilities, but other powerhouses and a few rising programs across the country can boast top-of-the-line practice areas as well.