One of the world's tallest, oldest, and most disgusting chocolate cascades.

An ice cream parlor chain that caters to vegans and pinball fans equally.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.