Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

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

The mystic whose incorrupt corpse still attracts the faithful.

An enigmatic modern marker left next to a historic Roman site.

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

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

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

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.

A collection of objects supposedly singed by the hands of souls in purgatory.

Jesus' footprints and the first catacombs in the world.

The final resting place of the poets Shelley and Keats.

2300-year-old Roman road connecting the empire.

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

This Parisian café is dedicated to great tea and the art of knitting.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

A French artist's vague warning hangs over Belleville.