Must See...In the USA I need your help, what are the MUST SEE places in the United States?  I am looking for the biggies as well as those hidden treasures.  (examples... The Alamo, Yellowstone National Park, The largest Ball of Yarn).   Scroll down to submit your ideas so this list can grow!

ARKANSAS
Eureka Springs
McClard's BBQ, Hot Springs

CALIFORNIA
Balboa Park, San Diego
California Mission Trail
Death Valley National Park
Del Mar Fair, San Diego\Del Mar  (Mid June thru July 4)
Del Mar Races, San Diego\Del Mar  (End of July-Mid Sept)
Golden Gate Bridge
Golden Gate Park
Haight Ashbury, San Francisco
Hearst Castle, San Simeon
Mendocino
Napa Valley
Pacific Coast Highway
Redwood National & State Parks
San Luis Obispo
Santa Cruz
Sequoia National Park
Yosemite National Park

FLORIDA
Daytona International Speedway, Daytona Beach
Everglades National Park
Kennedy Space Center, Cape Canaveral
Key West, Florida Keys
Marco Island
Naples
Palm Beach
Pelican Pete's, Marco Island\Goodland, this is the best hole in the wall, must eat seafood ever.  You can even park er dock your boat and they will cook your catch with all the fixins'-Rochelle
Sea World, Orlando
South Beach, Miami
Walt Disney World, Orlando

IDAHO
Jerry Johnson's Hot springs, outside Missoula, in Montana is a group of natural hot springs that is easy to reach and is terribly nice. Enjoy!-Ben
(Jerry Johnson's Hot springs is technically in Idaho but we are putting this locale in both Montana & Idaho for it's proximity to Missoula)

KENTUCKY
Bluegrass Country
Kentucky Derby, Louisville
The Bourbon Trail

INDIANA
Indianapolis 500, Indianapolis
Wolf's BBQ, Evansville, Yum, Yum! This is my big BBQ pick.  I have even had Wolf's BBQ overnighted via FedEx from Indiana to Colorado.  Told you I was a 'Foodie'-your host Rochelle

MISSOURI
Branson
Great River Road
Hannibal, hometown of Mark Twain
Lambert's Cafe 'The only home of the throwed roll', Sikeston and Ozark.- This is some of the best home cookin' ever and they even throw food at you...can't beat that one! This is a must try...worth driving hours out of your way for.-your hungry host, Rochelle

MONTANA
Beartooth Scenic Byway see Great Drives
Flathead Lake, Bigfork
Glacier National Park
Jerry Johnson's Hot springs, outside Missoula, in Montana is a group of natural hot springs that is easy to reach and is terribly nice. Enjoy!-Ben
(Jerry Johnson's Hot springs is technically in Idaho but we are putting this locale in both Montana & Idaho for it's proximity to Missoula)
Little Bighorn Battlefield, Crow Agency
Missoula

NEW MEXICO
Albuquerque, International Balloon Fiesta (October)
Carlsbad Caverns, Carlsbad
Roswell
Route 66
Santa Fe, don't miss Old Town & The Santa Fe Opera
Taos
Tucumcari, stay at the Blue Swallow Motel
 

TENNESSEE
Beale Street, Memphis-Mike Marino
Civil Rights Museum, at Old Lorraine Motel-Mike Marino
Dollywood, Pigeon Forge
Grand Ole Opry, Nashville
Great Smokey Mountains
Graceland, Memphis
BBQ, Memphis
Nashville
Stax Studios, Memphis-Mike Marino