protected area
area which receives protection because of its recognized natural, ecological, or cultural values
Broxton Rocks
sandstone exposure in Broxton, Georgia, U.S
Bull Run Mountains Natural Area Preserve
nature preserve in Virginia, USA
Cape Nelson State Park
protected area in Victoria, Australia
Capitol State Forest
state managed forest land in Washington state, United States of America
Carey Lake Wildlife Management Area
wildlife management area in Idaho, US
Carmel Pinnacles State Marine Reserve
marine protected area in Carmel Bay
Carrick Heaths
protected area in Cornwall, England
Cascade Head
coastal landform in the U.S. state of Oregon
Castle Hill, Brighton
Site of Special Scientific Interest near Brighton, East Sussex
Chaparral Prairie State Nature Preserve
State Nature Preserve in Adams County, Ohio
Cima volcanic field
volcanic field in San Bernardino County, California
Clark's Hill/Norton State Historic Site
historic site in Missouri, United States
Rhode Island Avenue Trolley Trail
rail trail in Maryland, US
Congrove Field and The Tumps
protected area in Bath and North East Somerset, England
Copper Country State Forest
State Forest in Baraga and Dickinson counties, Michigan
Cowles Bog
Fen (not actually a bog) in Indiana, United States of America, United States of America
Cumberland Marsh Natural Area Preserve
natural Area Preserve in Virginia, US
Daniel Webster Wildlife Sanctuary
Protected area in Massachusetts
Dean Creek Wildlife Area
Wildlife Management Area in Douglas County, Oregon, United States
Dean State Forest
Protected forest in Ohio, United States
Deer Creek Marsh Wildlife Management Area
in Oswego County, New York
Delaware State Forest
State forest in Pennsylvania, United States
Dexter Marsh
American Natural Landmark
Dickson Mounds
Native American historical site in Illinois, U.S.
Dingle Wood
biological site of scientific interest
Dinosaur Ridge
ridge in Colorado, United States
Douglas State Forest
Protected area in Massachusetts, United States
Dubai Desert Conservation Reserve
natural reserve in the emirate of Dubai
El Morado
natural monument & mountain in Chile
Estabrook Woods
Federally protected forest
experimental forest
designated forests for research or science studies
Federated Women's Club State Forest
Protected area in Massachusetts, United States
Five Mile Pass
region in Utah, United States
Fork Factory Brook
Nature preserve in Medfield, Massachusetts
Fossil Coral Reef
National Natural Landmark in Le Roy, New York
Foxhole Heath
area of a heathland near the village of Eriswell in Suffolk
Frank Holten State Recreation Area
state park in Illinois, United States
French Park
public park in Amberley, Ohio, United States
Garrett State Forest
Protected area in Maryland, United States
George W. Childs Recreation Site
former Pennsylvanian state park