What is the biggest masonry structure in the Americas?
Fort Jefferson is the largest masonry structure in the Americas and is composed of over 16 million bricks. It's an unfinished coastal fortress, located in Florida, Gulf of Mexico. Tourists usually visit the fort for 4-hours guided tours, which allows them to enjoy the beauty and wonderful architecture of the fortress.
Fort Jefferson Moar
The fortress from a bird's eye view
More Info:
en.wikipedia.org