The graffitied ruins stand hidden within the Pennsylvania woods.

An ode to filmmaker George A. Romero, who used the mall to film an iconic horror movie.

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

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

A controversial memorial at the place where Captain Cook met his violent end.

This former luxury resort in Kaua'i is now an abandoned relic.

Submerged lava formations create incredible waterworks.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

A Japanese pilot crash-landed on this Hawaiian island after the Pearl Harbor attack and terrorized locals for a week.

The spot where the namesake of the Douglas fir met his mysterious end on a Hawaiian volcano.

This WWII plane died a quiet death, and is now a garden eel playground.

One home in the historic strip hides secret compartments and the ghostly songs of long-gone canaries.

The remains of a large iron mill that once stood in the remote woods of northern Maine.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

This eclectic natural history collection holds everything from a bit of the trans-atlantic cable to Hemingway's marlin.

This massive solar system model is sprawled out across Maine's suburban wilderness.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

Sculptures, jams, and the wild west collide at this folksy retreat.

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

The site of a gold-digging conquistador's bloody landing in the Americas.