This 50-ton ship on Orcas Island has never seen the ocean.

On the side of Arkansas' Great River Road stand the remains of a forgotten World War II POW Camp.

This 16-foot, intricately detailed model of the Gearing-class destroyer has been called the most detailed model ship ever built.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

A relic of FDR's brief foray into utopian urban planning.

A whimsical village of unique treehouses resides in a Washington forest.

The elevator hidden in a smokestack on Roosevelt's yacht now serves as a monument to the former president.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

An impressive collection is dedicated to the legendary beast.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

After serving in Vietnam, Korea, and even a stint in the Turkish navy, the unique ship is now open as a museum.

An overgrown garden stands as a grim marker of an unrealized dream.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

A chance to sleep among the firs and pines of the Oregon forest.

With the Wild Bunch hunted almost to extinction and the law closing in on him, Butch Cassidy fled to this remote cabin in Argentina.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

A haunted hill that supposedly defied gravity.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

Outsider art meets paleontology at this roadside reptile repository.