Offbeat America

Unusual homes include a play land for free-roaming kids, a comet-shaped house with its own observatory, a round eyeball home with a grapefruit tree inside, a limestone quarry turned oasis and a kaleidoscope sculpture garden.

Creative homeowners include a couple with a 5000-square-foot luxury tent home in the Sonoran desert, a retro bachelor with a serious midcentury style obsession, and a king of the castle who built his own fortress in Illinois.

Unusual homes include a minimalist glass mansion in Los Angeles, a science fiction funhouse in Snohomish, WA, larger-than-life lawn furniture in Arizona, a Camelot farmhouse in Oklahoma and punk rock glamour in Detroit.

Eccentric homeowners show off shaggy decor in Maryland, a subterranean home Washington, a glass and metal equilateral triangle in Arkansas, a five-story modernist tower in Montana and an outsider art haven in Arizona.

Eccentric houses include a sculptor's rock quarry retreat in Mount Vernon, WA, a funky lakeside treehouse in rural Idaho, a Portland couple's collection of velvet paintings and a Montana house with a fishing pier -- but no water.

Creative homes include an elaborate old fashioned home theater, a blue loft owned by a bluesman dentist, a farm with yard art sculpted from manure and a Phoenix house that's coming up roses.

Unusual homes include a video game composer's big collection in California, an erupting living room volcano in Boulder, a serpentine walkway in Washington, a rooftop garden in Virginia and a pyramid house in Montana.

Offbeat homes include a model train enthusiast's funhouse in Michigan, a house built for the birds in California, a kinetic wind sculpture studio in Washington and a colorful backyard zoo in Delaware.

Creative homes include a whimsical whale house, a trainspotter's elaborate backyard railroad track, a luxurious mansion with a banyan tree in the center, a metal sculpture forest in Michigan and a backyard Hobbit hole.

From an elaborate catwalk maze to a Miami manor packed with kitschy humor, eccentric homeowners show off their unusual taste.

Unusual homes include an enchanted custom tower deep in the woods, an elaborate viking themed church-turned-home, a concrete mountain cabin in Colorado and a pagoda in rural Georgia built by a former vaudevillian.

Outrageous homes include an illusion-filled home in San Francisco, an elaborate orchid garden in south Florida, a cork lover's fully covered house, a posh water tank in New Haven and a metal sculpture garden in Connecticut.

Homeowners from around the country show off a custom guest house filled with beer, a jello enthusiast's home in San Francisco, a curvy mushroom house in Boulder, Colorado, and an indoor waterfall pool in Arkansas.