The secret medieval communication system will whisk your words above the noise of the crowd.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

Da Vinci's equestrian statue, 500 years in the making.

Vast network of air raid tunnels beneath Lombardy's capital.

Remnants of cone-shaped fascist bomb shelters in Milan.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

The farthest you can be in the contiguous U.S. from a McDonald's location.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Like Stonehenge, but with boats and oodles more charm.

The face of the famed flier in a hillside in her hometown.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

This Wild West attraction is alive with glitching automatons.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

Community owned and operated, this property is home to a diverse set of nudists.