Visitors to Salt Springs State Park are encouraged to literally put their two cents in Penny Rock.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

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

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

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

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

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

This beloved marketplace mascot poops money and grants good luck.

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

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

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

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