It's about one-tenth as big as Crawford Ranch.
In other words, 567.97 dunams is 0.08866 times the size of Crawford Ranch, and the size of Crawford Ranch is 11.28 times that amount.(a.k.a. Prairie Chapel Ranch, a.k.a. Western White House) (Crawford, Texas)
It's about eleven-and-a-half times as big as a Polo field.
In other words, 567.97 dunams is 11.3214411 times the size of a Polo field, and the size of a Polo field is 0.088327978 times that amount.(for field polo) (United States Polo Association rules; unboarded side maximum)
An outdoor polo field must measure 274.32 m in length and 146.304 m to in width for a total playing area of up to 50.1676416 dunams. Polo traces its origins to an Iranian (then Persian) war game from the 5th Century, which was played with as many as 100 players per side.
It's about one-tenth as big as Gibraltar.
In other words, the size of Gibraltar is 11 times 567.97 dunams.(British overseas territory) (total area)
It's about one-fifteenth as big as Oregon's Armillaria ostoyae.
In other words, the size of Oregon's Armillaria ostoyae is 17 times 567.97 dunams.(a.k.a. Shoestring Rot) (Malheur National Forest, near John Day, Oregon) (if considered single organism)
It's about eighteen times as big as The Lincoln Memorial Reflecting Pool.
It's about one-twentieth as big as Mackinac Island.
In other words, 567.97 dunams is 0.050232 times the size of Mackinac Island, and the size of Mackinac Island is 19.908 times that amount.(Michigan)
Mackinac Island measures 11,310 dunams in total land area. The island is located in Lake Huron and is known as a historically-cultured tourist destination and summer colony, home to the well-known Victorian Grand Hotel.
It's about one-twentieth as big as Tokelau.
In other words, the size of Tokelau is 21 times 567.97 dunams.(a.k.a. Tokelau Islands, a.k.a. The Union Islands) (New Zealand Territory) (total area)