The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

Enormous lake at the bottom of a unique cave system.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

The Ozarks' strangest dwelling.

The final resting place and once home of the Bandit Queen of the West.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

A large stone map of Arkansas awaits visitors to its highest point.

This magical-looking island is notorious for the misfortunes suffered by its owners.

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

A record-breaking pool that uses computers to turn ocean water into cleaner, private swimming water.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

This artificial archipelago was supposed to resemble a map of the world.

This striking sculpture of Icarus honors Greece's fallen flyers.

A remarkably opulent mansion with a tragic history.

A mysterious light of unknown origin on the backroads of Missouri.

Giant granite rocks standing end-to-end like a train of circus elephants.

This super steep hike ascends 2,000 feet in less than a mile.

Even in death, he's still your huckleberry.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

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

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

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.