Gallery: Top ten national parks of 2012

Depending on your druthers, here's a top-ten list you may want to use when setting out your RV travel plans as "must sees," or putting on your list for "must avoids because of too many people." Here are the ten most visited national parks in 2012.

#1  Great Smoky Mountains National Park

#2 Grand Canyon National Park

#3 Yosemite National Park

#4 Yellowstone National Park

#5 Rocky Mountain National Park

#6 Zion National Park

#7 Olympic National Park

#8 Grand Teton National Park

#9 Acadia National Park

#10 Cuyahoga Valley National Park

Our thanks to the National Park Service for all images.