This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Where the oil industry began.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A rare view of a preserved Victorian science museum.

A toxic ghost town sitting atop a massive coal fire.

Mysterious rocks that ring musically when struck.

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.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

An outlandish shoe shaped house built by an eccentric millionaire.