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Take an up-close look at some of the world's most spectacular houses ever built.
03:24 — The Flycatcher House was designed and built to resemble a medieval castle.
04:27 — Twelve years of restoration brings Cornwall's Boconnoc estate back to life.
03:14 — Moebius House, in Sydney, Australia, is a 3-D geometrically designed home.
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Here's how everything changed in "Chapter 6"