It's time for a road trip! From Washington, D.C., to San Francisco, you can visit all the best national parks in the U.S. Just follow this itinerary.

After visiting all 63 national parks in the US, my favorites include Yosemite and Grand Teton. I think one of the worst parks is Gateway Arch.

As the US endures the second week of a partial government shutdown, national parks have taken a major hit ... contributed to the road being shut down. Even the National Mall in Washington ...