Looking more than a little like rusted AT-ATs, the Maunsell sea forts were small fortified towers built by the UK in the Thames and Mersey estuaries during World War II and decommissioned in the late 1950s. Briefly used for pirate radio in the 1960s, the sea forts have been abandoned ever since.
Abandoned log home in Wyoming. The five-story home of Francis Lee Smith, an engineer who labored on the house single-handedly for more than a dozen years, in Wapiti Valley, WY. For nearly 30 years, Smith's home, now abandoned, has loomed over Buffalo Bill Cody Scenic Byway, and inspired many stories.