This once luxurious Catskills resort is now a haunting ruin.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

An abandoned asylum where patients have been forgotten but their possessions remain.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A community-run museum invites visitors to explore Jewish communities before and after the Holocaust.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

From lefty Jewish gathering site to hip cultural site in just 80 years.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

A wacky, UFO-shaped house in a suburban neighborhood.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

The king of U.S. high points towers over every other peak on the continent.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Outsider Art Community.

Dramatic river bend surrounds a natural red-rocked pedestal.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.