Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

The mystic whose incorrupt corpse still attracts the faithful.

One of the most important yet well-hidden museums dedicated to the history of medicine.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

Architectural monsters are devouring this palace's every door and window.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

The final resting place of the poets Shelley and Keats.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

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

Anatomical cabinet holds unexpected treasures.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The middle finger of modernity.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.