A glittering Thai Buddhist temple in suburban Pennsylvania.

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

The oldest surviving botanic garden in the United States.

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

The abandoned coal loading dock is a canvas for unsanctioned art.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

A hidden alley in urban Baltimore is a haven for graffiti artists.