If you're referring to "largest" memorial park as in the amount of land it encompasses, then that would be Rose Hills Memorial Park & Mortuary in Whittier, California. It's over 2,500 acres in size.
The Lincoln Memorial is located in Washington DC, the US Capital. It is in West Potomac Park. The Potomac River is behind the Memorial.
Yellowstone national park
Angelus Memorial Park was created in 1951.
Wilsonville Memorial Park was created in 1969.
Anchorage Memorial Park was created in 1915.
Memorial Recreation Park was created in 1945.
Yellow Stone National Park is the first national park in the US. It is Wrangell-St. Elias that is the largest.
Yosemite
The biggest memorial park in the United Kingdom is in Coventry. It is simply called the History of War Memorial Park, this park was opened in 1921 and has been running every since.
the largest what ? city state park buliding bridge need to be more specific
Memorial Lake State Park was created in 1945.
Harkness Memorial State Park was created in 1907.