More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

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

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

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

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

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

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The towering Pinocchio stands 63 feet tall in the Italian village his creator frequented as a child.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

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

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

The middle finger of modernity.