A grove of colossal man-made flowers built to collect the sun's rays.

Three hundred years of preserved Spanish colonial history in San Antonio.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The museum chronicling a treasure hunter's dream, fulfilled.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

A historic presidential getaway on the continental United States' southernmost island.

The highway's southernmost spot is a beloved local attraction.

"We Seceded Where Others Failed."

A monument celebrating the idea of reaching inaccessible places.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

In this cemetery stands the country's first public crematorium.

Four abandoned towers hidden above the Douglas fir forest in Washington.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

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

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This quiet park's strange sedimentary spires were named after Kodak's color film.

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

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

This sanguine boulevard was named after a deadly cowboy bar fight.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This memorial includes fragments from one of the greatest tragedies in United States history.

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