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.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Mysterious rocks that ring musically when struck.

A toxic ghost town sitting atop a massive coal fire.

A layered tribute to the work of mosaicist Isaiah Zagar.

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

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