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.

From the adorable but deadly pine marten to the massive sperm whale, get to know some of the amazing animals that call ...

This advertisement has not loaded yet, but your article continues below. Sarah A. Boardman says that in the six years since she painted the portrait, she has 'received overwhelmingly positive ...

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

Learn all about the best national parks in the US and find your next destination for outdoor activities, especially hiking.

Just north of San Francisco, this iconic Californian destination has drawn in more and more visitors, elevating it to the ...