A daily replay of the experiment that proved the rotation of the Earth.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Where America's first doomsday cult awaited the end of the world.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

An Irish Memorial commemorating those who perished due to potato blight.

Ruins of a once-opulent grand Victorian resort.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Nancy Thompson's Home from "A Nightmare on Elm Street."

A common entry point to the Griffith Observatory trail holds its own wonders.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.