Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The final resting place of a space program monolith.

An astounding collection of medical specimens, including bits of President Lincoln.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Quite simply the largest tree in the world (by volume).

The loneliest island in New York.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A storybook European village in Berkeley.

The site of murders and Satanic cult gatherings.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

From scholastic to sepulchral - now under reconstruction.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

Hundreds of trees made from glass bottles make up this forest on Route 66.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

A long abandoned hospital building on the outskirts of NYC.

A stealthy Apache hideaway that became the haunting site of a mass grave.

An essential stop before plundering, BYO Cutlass.

The 953 windows undoubtedly make this the world's most beautiful screened porch.