This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

A suspended garden, now gone, once hung in the middle of this abandoned church.

Pennsylvania's own Roswell-style UFO mystery.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

In an odd geographic anomaly this city borders two different states on opposite sides of town.

What is it about mushrooms that makes people wish they lived inside of them?

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

A castle built by an eccentric medieval enthusiast in rural Ohio.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

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

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

This one-room cabin where the young colonel slept during the French and Indian War.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

An office built to look like a giant basket.

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

Now in disrepair, this 19th century station was a stop on of the famed B&O Railroad.

Outsider art meets paleontology at this roadside reptile repository.