Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Former villa and estate of James Deering developed to preserve native tropical forests.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

This state park was once an important Native American cermonial center.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A museum dedicated to the exploring past, present, and future innovations.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

A park in Mexico offers all the experiences of an illegal border crossing except for one: the border.

A diverse collection of wax, bone, papier-maché and mummified relics.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

Arizona's first government hub is a rustic cabin now preserved as part of a historical museum.

A towering bronze statue memorializes the founding father of postwar American conservatism.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.