Secret refuge and museum of the Duke of Florence.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

An abandoned lighthouse located on the cliffs of Barbados.

A sinkhole known simply as "The Hole."

This island hill is strewn with boulders carved by shipwreck victims from the age of sail.

The Cuban revolutionary looks over the country from its highest peak.

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

A tunnel with windows, so you don't miss out on the impressive views.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Marta Becket's hand-painted theater in the desert.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

Hundreds of trees made from glass bottles make up this forest on Route 66.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

An homage to everyone's favorite prehistoric cartoon family.

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

A motel dedicated to Southwestern nostalgia.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

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

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

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.