A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

This is the oldest Roman-made bridge in the city still existing in its original state.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

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

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

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

A rare example of a medieval house in Rome adorned with a melancholic inscription.

This small church was constructed over the ruins of three temples dating to the Roman Republic.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

A controversial blue hoop has been puzzling freeway drivers since 2013.

This First Nations monument is a peaceful spot with vast views of the Calgary prairie.

Decorated by local artists, the city's utility boxes have become three-dimensional canvases.

Housed in an old British jail, this spot serves up Georgian, Russian, and Ukrainian specialities with a side of Turkish history.

This bridge was constructed from the rubble of the infamous Bastille.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This emotive sculpture was originally created for the 1878 World's Fair.

The celebrated eyesore created by starry-eyed sweethearts.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Marie Antoinette and Napoleon Bonaparte were fans of this 200-year-old French chocolatier.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.