The European sports stadiums built in recent years have been much more adventurous than their American counterparts.
Looking at some of the newest soccer arenas in Europe, you see bright colors, goofy architectural quirks, and retractable roofs that fold into oblivion.
You simply don't see these features in the newest American stadiums.
1. Allianz Riviera (Nice, France) — OGC Nice
It's meant to be transparent, with a see-through membrane that makes it seem entirely outdoors.
Source: Wilmotte
2. Allianz Arena (Munich, Germany) — Bayern Munich, 1860 Munich
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