Take a tour of Pula Roman Amphitheatre in Pula, Croatia – part of the World’s Greatest Attractions travel video series by GeoBeats.

The arena that towers over Pula, Croatia is a marvel of ancient engineering.

The Pula Arena is amidst the world's two hundred Roman style amphitheaters left standing, and numbers among the grandest.

The arena's highest walls rise to a staggering almost one hundred feet.

Constructed mostly from limestone, the amphitheater has nearly one hundred and fifty identical arches.

The arena was once home to gladiator’s fights, medieval festivals, and is currently suited to stage concerts and theater productions.

Estimated to be nearly 2,000 years old, the Pula Arena remains one of Croatia's most prolific sites.