Wealthy Italian neighbors used to compete by building tall towers. See inside one that's still standing after 600 years.

Wealthy Italian neighbors used to compete by building tall towers. See inside one that's still standing after 600 years.

Torre Guinigi in Lucca, Italy, is home to a unique rooftop garden.Maremagnum/Getty ImagesTorre Guinigi, or Guinigi Tower, was built in Lucca, Italy, in the late 1300s.It was common for wealthy families to commission towers to see who could build the tallest one.The tower's roof has a garden, which has several tall holm oak trees and is open to visitors.In 2025, homeowners' displays of wealth might include at-home movie theaters, helipads, sprawl…