A clear blue swimming hole with hidden caves, still unexplored.

A popular swimming hole that hides one of America's most deadly diving spots.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

Iconic rock formations that allow for exploration during high or low tide.

Twice a day, the water of the Petitcodiac River flows upstream in a surfable wave.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

This monster fiberglass crustacean stands watch over the self-proclaimed "lobster capital of the world."

Made from local Irish moss, this pie is served only in Prince Edward Island's potato museum.

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

Home to fossils and other specimens from the Western Interior Seaway.

The first and only museum dedicated to stained glass and horology opened outside of Chicago in 2017.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

A display of magnificent stained glass windows is the first exhibit of its kind.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

A Texas landowner spelled out his name with three miles of trees, a giant signature that's been used by NASA to evaluate satellite imagery.

This gas station offers wine tastings and craft beer.

This unique tower has been home to malaria-fighting bats for 100 years.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

A small "palace" and museum made of, and devoted entirely, to salt.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

Exceptional Nepalese food can be found in a Texas gas station.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.