An old staircase leads from the beach near the Sutro Baths ruins at San Francisco’s Lands End.
A maintenance stairway wraps around a support column for the Skylink train at DFW International Airport, Texas.
An elaborate ramp weaves it way to a small utility building at theFort Worth Nature Center & Refuge, Texas.
A spiral staircase in the cell block at Alcatraz Federal Penitentiary, San Francisco.
Detail of a staircase at Paris Hotel & Casino, Las Vegas.
A spiral staircase leading to the top of a water slide aboard the cruise ship Norwegian Pearl.
An abstracted view of an exterior staircase at the Grapevine, Texas Convention and Visitor’s Bureau.