Cameron's crew constructed one of the largest underwater film stages ever built and — because of the sheer cost of disassembling it — were forced to abandon it to the elements for 20 years.
Even though the seven-million-gallon, forty-foot-deep set was eventually demolished in 2007, we're lucky to have photographic evidence of this cinematic monolith. A tipster has generously provided us with dozens of pictures from urban exploration missions to The Abyss' rusting Deepcore seabase. These shots were taken from 2003-2004.
And just for kicks, here's how the place looked in 1994. I imagine if you slept there at night, the ethereal visage of Ed Harris warbled a sweet siren song, tempting you to take a dip in the stagnant water.