A tree grows amongst the Mayan ruins at San Gervasio, Cozumel, Mexico.
The San Francisco Bay fog envelops the ruins of Alcatraz Prison.
A staircase leads up a rock at the Sutro Baths ruins in San Francisco.
Ruins of a multi-level fireplace at Oklahoma’s Fort Washita.
Detail of the ruins of Sutro Baths at San Francisco’s Lands End.
Rocks greet the Pacific Ocean near San Francisco’s Sutro Baths ruins at Lands End.
The remains of the staircase that once led to the main entrance of the long-gone Swift & Co. meatpacking plant in Fort Worth, Texas.