This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

A large circus museum with summer performances.

Shop of curiosities with a dinosaur museum tucked in its basement.

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

Small-town museum dedicated to outer space ... and bicycles.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

A 10-foot-tall concrete Alley Oop statue left over from World War II now stands on the side of the road.

An interesting look into 18th-century American history.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

A bar, burger joint, and arcade housed in a late 19th-century church building.

This small road tunnel is the only place where you can cross beneath the Erie Canal.

Take an underground boat ride through a former hydraulic raceway that was built in the late 19th century.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Ruins of a once-prized railroad station in New York.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

A unique botanical garden housed in three giant geodesic domes.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.