Dr Barnes' $25 billion private collection of art and arboretum.

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

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

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

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.