The creek where a shark wreaked terror upon New Jersey, and served as the inspiration for "Jaws."

Where the embers of the Big Bang were first detected.

This overlooked street light once served as a KGB dead letter box.

Once the largest gravity dam in the world.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

The first (but not only) upside-down house in Germany.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

Martha's Vineyard's most beloved speakeasy sells late-night pastries.

A Prada store in the West Texas desert that is never open for business.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

A fantastic example of Victorian railway engineering with two unusual decorative features.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

Eat your Big Mac in a DC-3.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

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

This icon of the Atomic Age now lays dormant.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

Hundreds of protractors affixed to surfaces all over the city.