In terms of basic creepiness, few buildings in Detroit can match the Masonic Temple. Stained by a century of Detroit soot and weather, the building's limestone exterior is almost comically foreboding.

Legends surround the Temple's interior, which is said to contain a labyrinth of rooms, some connected by secret passageways. It's also full of dramatic, unused spaces—the most famous being an unfinished swimming pool on the sixth floor. Unfortunately, most of the building is off-limits to the public. But with rumors of renovation and a possible loft conversion floating around, we snapped some photos during a recent tour from Preservation Detroit.

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