The home of one of California's most important horticulturalists wilts amidst a lovely park.

Rainbow-hued local gem in Venice.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

A folk art mecca famous among outsider art fans.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A fake town founded by Western movie stars is now becoming a hip desert community.

This home is decked out like a psychedelic explosion of colors and bowling balls.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Hidden among the multi-million dollar mansions in the Santa Cruz hills is a sanctuary for troubled birds.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

Over 12,500 words are scrawled across each room of this historic plantation house and no one knows why.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

This grand mansion has starred in everything from Bones to Buffy.

This glamorous old building is said to have inspired the Tower of Terror.

Nancy Thompson's Home from "A Nightmare on Elm Street."