National Parks Top 10

Let's get trekky! From volcano surfing in Hawaii to a mission to Mars.

Take a dip in geothermal hot springs and feast on freshly caught Maine lobster.

Sneak away to zip line in a cave, sand board down desert dunes and ride a mule to a remote oasis.

Take a walk on the wild side at the Grand Canyon and golf below sea level near Death Valley.

From waterfalls to gas stations, these are America's hidden gems.

From a spooky mansion to UFO sightings this countdown is anything but usual.

From mystery sailing stones to exotic attractions, these marvels will take your breath away.

From ocean rafting on 12-foot waves to going down a mega slide, it doesn't get better than this!

From swimming with dolphins to juicy fried chicken, these attractions will make you scream for more.

Put on your seat belt and get ready to bungee jump, rock climb and eat like a king.