The middle finger of modernity.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

Secret refuge and museum of the Duke of Florence.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

Enormous burial mounds of ancient emperors.

Ming Dynasty necropolis raided during the Cultural Revolution.

Death rituals and sacrifice inside a Peruvian megalith.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Now containing the bones of the actual conquistador, instead of someone else.

A marvel of Byzantine engineering under the streets of Istanbul.

The biggest solar telescope in the world helps reveal the secrets of our sun.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A Circus legend leaves an unexpected endowment.

A model village fit for an emperor.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.