Italy

9 buildings

Could seat 50,000 to 80,000 spectators. The velarium was a massive retractable awning oper...

The unreinforced concrete dome remains the largest ever built at 142 feet diameter. The oc...

Began leaning during construction due to soft ground. The tilt reached 5.5 degrees before ...

An ancient Roman resort city now partially underwater due to volcanic activity. The super-...

Preserved under 13 to 20 feet of volcanic ash from Mount Vesuvius. Over 2.5 million visito...

Known as the drawing room of Europe by Napoleon. St Marks Basilica has over 8,000 square m...

See Pantheon main entry....

One of the largest churches in the world. Construction began in 1386 and took nearly six c...

Crowned by the first great dome built since ancient Rome. Brunelleschi invented a double s...