Illustration of Chaco Canyon with locations of some of the ruins

Computer reconstruction of Pueblo Bonito, the largest of the great houses

Pueblo Bonito as it looks today

Kiva in front of Pueblo Bonito

Kin Kletso

Great Kiva Plaza of Chetro Ketl

Hungo Pavi

Staircase behind Hungo Pavi

Unidentified ruins (likely Hungo Pavi) in Chaco Culture National Historic Park

Penasco Blanco - the White Bluff in Spanish

Pueblo Alto

Casa Rinconada

Great Kiva at Casa Rinconada

Casa Chiquita

New Alto

KinBineola

Pueblo Del Arroyo

Scenic View of Pueblo Del Arroyo (normal dry stream)

Kin Kilzhin

Wijiji

Massive Walls at Wijiji

Pueblo Pintado

Una Vida with Fajada Butte in the background

Fajada Butte on the Summer Solstice

Fajada Butte with summer storm clouds

Chaco Observatory

Horsehead Nebula as viewed from Chaco Observatory

Time Lapse Night Sky which Dr. Nordgren titled Great Casa Rin at Chaco