An unusual, super-sized grocery adventure awaits in an Ohio suburb.

Inside, ancient treasures. Outside, modern contradictions.

A bizarre house filled with an astounding array of collections.

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

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

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

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

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

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

Breathtaking and huge 430 year old maps of Italy.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

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

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

A forgotten "city of water" underneath the famous Trevi district.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

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

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

A rather vulgar example of the transition from Latin to the Italian vernacular.

A Nesting Doll of Churches.

This curious, round temple is the oldest still-standing marble building in Rome.