Prettiest Drives: Which Is The Best US Road Trip Route?

This summer, Americans are poised to take a well-earned vacation or two. If they can't go abroad, they have a myriad of choices right here on US soil, from overlooked attractions with cult followings, to spooky resting places with historic backgrounds - you picked Saint Louis #1 as your favorite to visit.

Because nothing screams "summer!" like a full tank of gas and the open road, we've now got our eye on the best US road trip routes. Are you planning on hitting the open road within the next few weeks?

Voting on this round has closed. Click here to see who moved on.

Stay tuned throughout the month to vote on more amazing American destinations, or catch up with all the nominees here. Be sure to follow @HuffPostTravel on Twitter and Facebook to find out which spots have a special place in our hearts.

Photos: SC Route 17/Visit Myrtle Beach; Rangeley Lakes Nat'l Scenic Byway/Maine Office Of Tourism; Volcanic Legacy Scenic Byway/Larry Geddis; Hana Highway/Hawaii Tourism Authority/Tor Johnson; Ave. Of The Giants/California Travel and Tourism Commission/Andreas Hub; Big Sur Coastal Drive/California Travel & Tourism Commission/Blaise; Great River Road Scenic Byway/Jay Olson