A "haunted" landmark on the coast of Southern California.

The 10-foot-wide Long Beach home was built on a dare.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

Giant nude woman of Tijuana is also the artist's home.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

Malibu's first beach home features an astonishing trove of ceramic tiles.

This "synagogue" is not what it seems to be.

An ultra-modern vista that has been featured in so many films the house is a celebrity in its own right.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

All that remains of a magnate's dream home is a historic gate and an abandoned public pool.

A once grand hotel is being retaken by the wilderness it once capitalized on.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

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

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

House used in the 1971 horror film "Let's Scare Jessica to Death."

This decrepit abandoned building is made all the more eerie by its dark history.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

This Southern Californian Conservation Center is home to singing and howling apes.