Region
Texas
22
New Mexico
4
El Camino Real de Tierra Adentro National Historic Trail (N.M. and Tex.)
3
Big Thicket National Preserve (Tex.)
2
San Antonio
2
San Antonio Missions National Historical Park (San Antonio, Tex.)
2
Waco
2
Buffalo Bayou National Heritage Area (Houston, Tex.)
1
Canadian River Watershed
1
El Camino Real de los Tejas National Historic Trail (Tex. and La.)
1
Fort Davis
1
Fort Davis National Historic Site (Tex.)
1
Houston
1
Louisiana
1
Palo Alto Battlefield National Historical Park (Tex.)
1
Tom Green County
1
Tom Green County Water Control and Improvement District No. 1 (Tex.)
1
United States
1
Waco (Tex.)
1
Waco Mammoth Site (Tex.)
1
Waco Region
1
Williamson County
1