List of National Natural Landmarks in Michigan
National Natural Landmarks

Name
Date
Location
County
Ownership
Description
Black Spruce Bog Natural Area
1976
42°18′58.00″N 84°11′46.49″W / 42.3161111°N 84.1962472°W
Jackson
State
A boreal bog forest with a stand of black spruce; illustrates the last stage of evolution in a sphagnum bog ecosystem.
Dead Stream Swamp
1976
44°6′0″N 84°10′12″W / 44.10000°N 84.17000°W
Missaukee, Roscommon
State
An extensive northern white cedar swamp, illustrating the last stage of bog forest evolution. Part of Au Sable State Forest.
Dukes Research Natural Area
1974
46°21′0″N 87°10′0.01″W / 46.35000°N 87.1666694°W
Marquette
Federal
A swamp containing undisturbed stands of cedar and mixed conifers and old-growth hardwood. Part of Hiawatha National Forest.
Grand Mere Lakes
1968
41°59′35″N 86°32′59″W / 41.99306°N 86.54972°W
Berrien
State, private
Contains multiple low areas created by Lake Michigan's post-glacial ancestors, illustrating aquatic to terrestrial evolution. Provides habitat for several rare species.
Haven Hill State Natural Area
1976
42°38′11″N 83°34′23″W / 42.63639°N 83.57306°W
Oakland
State
A small area that incorporates all forest types found in southern Michigan; plays host to over 100 bird species and 17 species of mammals.
Newton Woods
1976
42°0′32.7594″N 85°58′16.32″W / 42.009099833°N 85.9712000°W
Cass
State
One of the Lower Peninsula's last remaining old-growth, mixed-oak hardwood forests. Part of the Michigan State University managed Fred Russ Forest.
Porcupine Mountains
1984
46°46′N 89°45′W / 46.767°N 89.750°W
Gogebic, Ontonagon
State
Contains extensive white pine and virgin northern hemlock, as well as wave-cut beaches that mark the shorelines of ancient glacial lakes.
Roscommon Virgin Pine Stand
1980
44°6′0″N 84°10′12″W / 44.10000°N 84.17000°W
Roscommon
State
A large stand of old-growth red pine with a documented history of wildfires stretching back to 1798. Part of Au Sable State Forest.
Strangmoor Bog
1973
46°15′N 86°06′W / 46.250°N 86.100°W
Schoolcraft
Federal
An undisturbed example of a string bog, one of the southernmost locations of this type of bog. Part of Seney National Wildlife Refuge.
Tobico Marsh
1976
43°41′51″N 83°56′11″W / 43.69750°N 83.93639°W
Bay
State
A mixture of relatively undisturbed hardwood forest, open water and marshland, frequently used by migrating waterfowl. Part of Bay City Recreation Area.
Toumey Woodlot
1976
42°42′13.428″N 84°27′54.36″W / 42.70373000°N 84.4651000°W
Ingham
State
One of southern Michigan's last virgin beech-maple forests; located on the Michigan State University campus and used for ecological research. Managed by Michigan State University.
Warren Woods Natural Area
1967
41°50′00″N 86°37′20″W / 41.83333°N 86.62222°W
Berrien
Private
One of southern Michigan's last virgin beech-maple forests. Also includes sizable individual specimens of beech, maple and sycamore.

Question: When were the first and most recent destinations built?
Answer: The first designation, Warren Woods State Park was made in 1967 while the most recent, the Porcupine Mountains was made in 1984.