A rare view of a preserved Victorian science museum.

The world’s first penitentiary, meant to be humane, drove men insane.

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

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

This might just be the TARDIS of bookstores.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

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

A local prank turned town icon.

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

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

Don't get it twisted: This is the oldest pretzel bakery in the United States.

The legacy of baseball great Roberto Clemente is preserved in a retired Pittsburgh fire station.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

The site of America's first commercial oil well essentially disappeared after the town went bust.

A "house to which to flee" for settlers in colonial Pennsylvania.

This decommissioned surface-to-surface missile resides outside the American Legion Post in Pennslyvania.

An unusual and eclectic collection of local historical memorabilia.

One of the world's oldest continually operating bookstores.

A collection of bite-sized buildings creates a magical mini village in the Pennsylvania mountains.

A museum dedicated to the history of electric interurban transit near the home of the first electric trolley system in the United States.

This extraordinary model train layout covers over 1,700 square feet, with multiple trains running simultaneously.