Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

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

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

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

A layered tribute to the work of mosaicist Isaiah Zagar.

One of the oldest of its kind.

This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

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

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

This elaborate towering structure was once famed for its revolutionary height.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The pioneering photographer's prints are immortalized inside her childhood home.

This small, hidden cove is home to abandoned boats.

How this Pine Barrens hill got its name is uncertain, but on a good day the view from the fire tower is crystal clear.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

A legendary boxing venue and ring featured in Rocky V.

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

A historic grist mill and active sluice on the Black River.

This giant satellite antenna services the transmission needs of government agencies and cable programmers.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

Mysterious rocks that ring musically when struck.