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.

I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include ...

There are many US national park road trips that have multiple national parks on one trip, featuring routes all across the ...

Today, 63 designated national parks in the United States draw hundreds ... the scenic Going-to-the-Sun Road and a trip to Waterton-Glacier International Peace Park, a UNESCO World Heritage Site ...

I've been to all 63 US national ... some of the most unique national park landscapes in the US. Teeming with biodiversity and opportunities for whale watching, a day trip here is truly an adventure.