© Independent Picture Service / Alamy

House on the Rock, Dodgeville, WI

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What started as a statement against Frank Lloyd Wright evolved—over the course of many years—into a seemingly never-ending structure with more personalities than Sybil. There’s the Carousel Room, eerily stockpiled with hundreds of former carousel figurines; one room full of Santa-related items; and the Cannon Room, housing the world’s largest cannon. But the real treat is the Infinity Room: imagine a long hallway (218 feet) sticking out over a ledge, with no support underneath. Try not to think about that while you gaze out the 3,000 windows. —Joshua Pramis

America's Strangest Roadside Attractions

House on the Rock, Dodgeville, WI

What started as a statement against Frank Lloyd Wright evolved—over the course of many years—into a seemingly never-ending structure with more personalities than Sybil. There’s the Carousel Room, eerily stockpiled with hundreds of former carousel figurines; one room full of Santa-related items; and the Cannon Room, housing the world’s largest cannon. But the real treat is the Infinity Room: imagine a long hallway (218 feet) sticking out over a ledge, with no support underneath. Try not to think about that while you gaze out the 3,000 windows. —Joshua Pramis

© Independent Picture Service / Alamy

America's Strangest Roadside Attractions

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