American Cyanamid was a leading fertilizer company whose success broadened its horizons to a vast range of industrial and chemical products. It fell to pieces in the 1990s under the weight of patent lawsuits, corporate reorganizations and decades of environmental pollution. Here, a team of urban explorers takes a look at its huge abandoned research lab. It's a sprawling and creepy expanse with all sorts of unexpected corners, unsettling angles and interesting architecture. Frankly, the level design is perfect—it's a great set up for a survival-horror video game franchise.