Each step is a mere four inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

Journey through a collection of over 35,000 Halloween items from all generations.

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

A giant ball made from pieces of an old Jeep.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

This public park was the site of the largest civilian disaster of the Civil War.

The last street in Pittsburgh that's paved with wood.

A glittering Thai Buddhist temple in suburban Pennsylvania.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

The graffitied ruins stand hidden within the Pennsylvania woods.

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

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

This park contains a number of standing stones meant to heal and inspire.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A layered tribute to the work of mosaicist Isaiah Zagar.