Fort Cronkhite
13:25:39 PDT Sunday 02 April 2017
Calvin with a 16-inch armor-piercing shell
13:38:00 PDT Sunday 02 April 2017
Main corridor inside Battery Townsley
14:16:18 PDT Sunday 02 April 2017
16-inch shells in magazine inside Battery Townsley
14:20:23 PDT Sunday 02 April 2017
Salamander swimming in the gun pit at Battery Townsley
14:27:00 PDT Sunday 02 April 2017
Fort Cronkhite and the Golden Gate
15:07:23 PDT Sunday 02 April 2017
Golden Gate Bridge and San Francisco Skyline from the Marin Headlands
15:07:37 PDT Sunday 02 April 2017
Calvin descends the trail
15:15:48 PDT Sunday 02 April 2017
Calvin walks inside Battery Townsley
15:27:23 PDT Sunday 02 April 2017
Battery Townsley and the Golden Gate
15:38:33 PDT Sunday 02 April 2017