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 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.

A daring couple dreams up an apartment with a '70s vibe. A home builder crafts a cat Camelot. Father-son hockey lovers create a "fan cave."

An artist breathes new life into an old factory. A car lover's garage is beyond gorgeous. A businessman hawks high-end survival shelters.

A Hollywood home is a human-sized doll house. Two painters cover their walls with colorful murals. An origami-inspired apartment has movable walls.

An architect crafts an aircraft hangar over his house. An artist's apartment is bursting with color. A father and son build their own roller coaster.

A director rooms with notorious dictators. A bank becomes a home with a central-vault bar. A husband and wife turn a historic church into a museum.

A hotel critic adds glass walls to a crumbling farmhouse. An architect keeps luxury cars inside his home. A couple resurrects a spooky mansion.

A woman surrounds herself with her favorite color. An architect's house has an indoor waterfall. An artist transforms a boring office building.

An unassuming home holds a lavish banquet hall. A man obsessed with trains builds one in his basement. A woman floods her home with neon lights.

A greenhouse holds an airy log cabin. A skateboarder's space is his personal playground. A couple brings Hawaii to their Washington home.