A recently abandoned psych ward at the end of Sanatorium Road.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

A unique botanical garden housed in three giant geodesic domes.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

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

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

The great American road trip, but smaller.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A contemporary fresco movement illustrates the region's rich history.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Every year, the colorful murals of Montreal get a complete makeover.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

The skyline of Montreal includes the silhouette of an unexpected fruit-shaped Canadian staple.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."