This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

Home of Philip Johnson, one of the 20th century's most influential architects.

Mansion and shopping center used in the 1975 film "The Stepford Wives."

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

A riverfront park that both remediated and preserved its industrial past.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

The studio of influential composer Charles Ives is perfectly reconstructed, hidden in the back of the American Academy of Arts and Letters.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

A Gothic-style abode built to accommodate the church's three resident peacocks.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Ride the subways of yesteryear.

Metal dinosaurs lurk in a sculpture garden on the outskirts of a popular resort town.

This old-fashioned carhop restaurant gave the world the waffle cone.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

Megachurch turned Catholic church comprised of 10,000 glass panes.

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

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

A couple turned their front yard into an artistic masterpiece.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.