This is all taken from the official Texas website.
Officially Recognized "Capitals" of Texas
Barbecue Capital of Texas - Lockhart
Bed and Breakfast Capital of Texas - Jefferson
Blues Capital of Texas - Navasota
Cactus Capital of Texas - Sanderson
Chess Capital of Texas - Brownsville
Hippo Capital of Texas - Hutto
Hot Air Balloon Capital of Texas - Plano
Jackrabbit-Roping Capital of Texas - Odessa
Kolache Capital of Texas - Caldwell
Home of the Official Kolache of the Texas Legislature - West
Storyfest Capital of Texas - George West
And here are some more. Officially Recognized Symbols of Texas
bird - Mockingbird
flower - Bluebonnet
bread - Pan de Campo
cooking implement - Cast Iron Dutch Oven
dog breed - Blue Lacy
epic poem - Legend of Old Stone Ranch (what a classic, that one)
flower song - "Bluebonnets"
folk dance - Square Dance
grass - Sideoats Grama
mammal, flying - Mexican Free-tailed Bat
mammal, large - Longhorn
mammal, small - Armadillo
shell - Lightning Whelk
snack - Tortilla Chips and Salsa
10K (as in marathon) - Texas Round-up 10K
vehicle - Chuck Wagon
And the rest. Unfortunatley, I could not find out for sure whether or not Texas can legally secede from the union...the Constitution is fucking long, and it wasn't anywhere else on the site. *tear*
Anyway...yes. I <3 Texas.