The Missile Base consists of 57 acres of real estate. The center secured portion of the property is protected by the original barbed-wire-topped chainlink fence. There is a paved road leading into the property with dual entry gates.Link (via Futurismic)
Above ground is the original 40 X 100 shop building, two concrete targeting structures, two manufactured homes, two 8 X 8 X 40 storage containers, and the silo tops of the three missile silos, two antenna silos, one entry portal and a few other misc structures.
Below ground is a huge complex consisting of 16 buildings and thousands of feet of connecting tunnels. The major underground structures are:
Three - 160' Tall Missile Silos
Three - 4 story Equipment Terminal Buildings
Three - Fuel Terminal Buildings
Two - 6 story Antenna Silos
One Air Intake/Filtration Building
One 100' diameter Control Dome Building
One 125' diameter Power Dome Building
One - 6 story Entry Portal Building
and a few other misc buildings and areas.