The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Resting place of Hollywood's immortals is also site of summer film screenings.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A layered tribute to the work of mosaicist Isaiah Zagar.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

World's first "penitentiary," meant to be humane, drove men insane.

A crumbling hospital from the 1850s on Roosevelt Island.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

This unusually circular centenarian barn became a Route 66 icon.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A small wooden boat once owned by legendary actor Errol Flynn sits inside this Oklahoma gas station.

This beacon for pre-radar pilots once guided Charles Lindbergh to a safe touchdown in Tulsa.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

An acoustic anomaly with a mysterious cause.

A half-size replica of the World Trade Center towers above Tulsa.