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.

Today, 63 designated national parks in the United States draw hundreds of millions ... Other must-dos include a ride along the scenic Going-to-the-Sun Road and a trip to Waterton-Glacier ...

(NEXSTAR) — The busiest months for America’s national parks are fast approaching ... the park and the outlying areas but not Bear Lake Road. If you want to visit Bear Lake Road, you’ll ...