Homes

A 140-year-old castle with underground caves hidden in San Francisco.

Whimsical artist house in the New Jersey woods.

A 15th-century house single-handedly disassembled then reassembled bit by bit 100 miles away.

Location of the Real World's disastrous, and protested, eleventh season.

Pivotal home of Nobel Prize winner Pablo Neruda.

Cave on extinct volcano, once home to famous mathematician Pythagoras.

A micronation of epic proportions.

Florida castle built with aluminum printing plates.

A house carved into a rock in the 1940s.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The collection of ceremonial and cultural objects spans many countries and hundreds of years.

Flamboyant architecture from the turn of 20th century.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Civil War Fort on an island in the Boston Harbor.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

Secret US military film studio in the Hollywood Hills.