Mysterious rocks that ring musically when struck.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

A unique sculpture park that specializes in the huge and bizarre.

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

These lush botanical gardens employ the most purrfect pest control force.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Inside this 150-year-old barn turned antique shop is a vast array of items for curios hunters.

The final resting place of one of the United States's greatest poets.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

Pennsylvanian mass grave and possibly mass murder.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

One of the oldest of its kind.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

Alexander Hamilton’s creation caused quite a bit of controversy.

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

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

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

A rare view of a preserved Victorian science museum.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.