A massive sea stack famous for its appearance in The Goonies.

100-year-old shipwreck you can walk up to at low tide.

A field of nothing but boulders which resembles a giant's gravel driveway.

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

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

Ruins of a Carnegie family mansion on Cumberland Island.

Keeping Ballard's heritage alive with delicious, lightly battered Alaskan wild cod.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

See massive fossils that are over 200 million years old in northeastern Arizona.

Dramatic river bend surrounds a natural red-rocked pedestal.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

When ecosystems collide in the arid Southwest.

The highest bridge in America was built for an almost unnervingly small amount of money.

This ancient settlement contains some of the largest earthen mounds in North America.

The world-record holder for the longest bridge stretching continuously over water.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

A unique blue and yellow phone booth in America's "Little Sweden."

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

A peculiar forest that was handcrafted for government experiments.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.