Doors, Exterior, Swing Door Type, and Metal Conceived as a glass wall or window that could swing open rather than a typical door, the resulting glass-and-metal piece is so heavy that it required its own foundation! Thanks to clever engineering by Sand Studios, even seven-year-old Macy can operate the 2,000-pound door.  Photo 11 of 15 in 14 Surprising Front Doors That Beckon You Inside from Designed In-House

14 Surprising Front Doors That Beckon You Inside

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Conceived as a glass wall or window that could swing open rather than a typical door, the resulting glass-and-metal piece is so heavy that it required its own foundation! Thanks to clever engineering by Sand Studios, even seven-year-old Macy can operate the 2,000-pound door.