Meet eccentric homeowners whose seemingly ordinary spaces are full of surprises, from a backyard roller coaster to an indoor aquarium. A sports fan hits a home run in his basement. A retiree gets to scuba dive in his living room. A couple remodels a boat on the River Thames. A film buff loves living among the dead. A fiction writer’s house is a real-life wonderland. A car enthusiast moves into his auto shop. A man turns his house into a circus. A creative couple builds the world’s largest shipping container home. A sci-fi lover opens a museum in his cellar.