the best part of national parks: exploring them. Pick one, go. If it's a national park it's good. I checked a list for the best to worst. The worst is the gatew

the best part of national parks: exploring them. Pick one, go. If it's a national park it's good. I checked a list for the best to worst. The worst is the gateway arch. That's still worth a trip, great museum, beautiful grounds, and a crazy building.