There aren't too many operational funiculars around, but Pittsburgh has two!

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

Pennsylvania's own Roswell-style UFO mystery.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

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

This museum is dedicated to the first coast-to-coast highway.

A beautiful oddities shop crammed with strange and morbid curiosities.

The national park was once a plantation estate.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Where most of the world's flypaper was made.

The final resting place of the most famous sharpshooter.

A miniature world of concrete and stone in Springfield, Ohio.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

A headstone tells the sad story of a lost little boy and his pet dog.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

A Seussian sculpture made of brass instruments.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

Golden plates containing what would become the Book of Mormon were believed to be buried on this New York hillside.

The press that first printed the Book of Mormon.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

This Buffalo museum hides an Art Deco gas station designed by Frank Lloyd Wright.