Handsomely crafted representations of our round planet.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A hospital where antique dolls are given new life.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

An alchemist's "magic door" stands in the middle of a Roman park.

2300-year-old Roman road connecting the empire.

A sculpture serving as an homage to Pope John Paul II.

A Nesting Doll of Churches.

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

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

The final resting place of the poets Shelley and Keats.

The mark of the Devil's horns on a marble column in Milan.

A fake medieval village in the middle of Turin.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

Italian cave with exceptional acoustics and an unsavory history.

142 ceramic steps become a mosaic once a year.

A geological oddity topped with a 2,000-year-old pagan temple.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

What better way to honor a pioneering anatomist than by preserving his severed head like a specimen?