One of the oldest of its kind.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Yo, Adrian!

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

A small museum dedicated to the whimsical tool that turns sugar cookies into works of art.

Huge masonic hall in Philadelphia with lavishly themed rooms.

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

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A daily replay of the experiment that proved the rotation of the Earth.

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

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.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.