Connecting National Historic Trails (NHT) include:
El Camino Real de Tierra Adentro National Historic Trail at www.nps.gov/elca
Old Spanish National Historic Trail at www.nps.gov/olsp
National Park Service (NPS) Areas:
Colorado
Bent's Old Fort National Historic Site, Colorado, at www.nps.gov/beol
Kansas
Fort Larned National Historic Site, Kansas, at www.nps.gov/fols
Tallgrass Prairie National Preserve, Kansas, at www.nps.gov/tapr
Missouri
Harry S Truman National Historic Site, Missouri, at www.nps.gov/hstr
New Mexico
Fort Union National Monument, New Mexico, at www.nps.gov/foun
Pecos National Historical Park, New Mexico, at www.nps.gov/peco