Nothing says indulgence like a 1,500-pound chocolate castle.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

A museum of anything and everything Stooge.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

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

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A quirky collection of outsider art made from automobile parts.

This collection honors the iconic, and proudly American lighter that just won't quit.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

A glittering Thai Buddhist temple in suburban Pennsylvania.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

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

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

Yo, Adrian!