Along the historic Mother Road is an old gas station with a secret counterfeiting past.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

The largest ancient burial mound in Ohio.

An art deco ice cream shop covered in vintage tiles.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The oldest surviving botanic garden in the United States.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A daily replay of the experiment that proved the rotation of the Earth.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

A huge boat-shaped hotel with a blood red pool and other oddities.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

One of the oldest of its kind.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

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

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.