A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

Legend says this sacred tree was a gift from goddess Athena.

A sharp sculpture made of thousands of pieces of jagged glass.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

Head to this repurposed Renault van for fiery sausages and fries.

Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

A giant silver apple a day keeps the perils of capitalism away.

For more than a century, Parisians have come for affordable dishes in a grand converted train station.

Grab a life-changing ham sandwich at this former horse butchershop.

Marvel at the opulent Art Nouveau interior while dining on dirt-cheap French classics.

Order a boozy baba au rhum at the oldest patisserie in Paris.

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

One of Jeff Koons’s largest sculptures and his first commemorative work.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

This mural painted by Keith Haring was done without payment as a gift to entertain the children at the Hôpital Necker.

The historic Masonic Lodge in which the first-ever female Mason was initiated.

Claude Monet was baptized in this lavishly ornate Paris church.

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

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.