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Astrodome

AP Photo

Astrodome, 1966

Astroturf is installed for the first use of artificial turf in sports.

Ex-infielder Dick Allen famously said,"If horses won't eat it, I don't want to play on it." Nonetheless, because grass could not grow under the Astrodome roof, artificial turf was developed to replace it. It took decades before sports -- and athletes' knees -- would recover.

THE WAVE

It's finally settled. We know where the wave first started. In Oakland ... and Seattle.
Doug Williams »

HONORABLE MENTIONS

The Next 10
Best Moments

Not every moment can be in the top 50, of course. Here are the honorable mentions that didn't make the cut. Caple/Dorsey »

VIDEO: HAVE YOU SEEN...?

TEST OF TIME

What are the 10 most historic North American stadiums still in use? Paul Donaldson »

STADIUM 50

A Look Into
The Future

What's the future of stadiums? Food delivered to your seat? Assigned parking? Gambling on every play? Those are just a few. Darren Rovell »