A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

A massive tribute to this small county's top agricultural product.

Half of a waterfall goes into the river while the other half seems to disappear.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

The only arched bridge made of stone on the entire Mississippi River.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The fifth-longest natural arch in the world, and the longest outside China.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Come for the speed, leave in love with the desert.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

This replica of the Greek structure is in the heart of Nashville.

Meet manatees face-to-face at this zoo for native species.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Concrete strongholds stand guard over the Golden Gate.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

The longest living non-clonal organisms on Earth.