I tried to pick out some of my favorite parks.
National Parks
- GC14YRW, The Devil's Den, Earthcache (2/2), Gettysburg National Military Park
- GC1W09V, Longs Peak, Earthcache (2.5/1), Rocky Mountain National Park
- GCEB2, The view of an "Honest Man", Virtual (1/1), National Mall National Park.
- GC7270, Stony Man Cliff, Virtual (2/2.5), Shenandoah National Park
- GC4AQ1Z, Route 66 Chain of Rocks Bridge Wherigo, Wherigo (2/2), National Park
- GCNDCJ, Redwoods of Stone Earthcache, Earthcache (1/1.5), Florissant Fossil Beds National Monument
- GCPAF5, Mammoth Cave, The World's Longest Cave, Earthcache (1/1), Mammoth Cave National Park
State Parks
- GC13FZ7, Jockey's Ridge, Earthcache (3,4.5), Jockey's Ridge State Park
- GC1H8A9, Terrapin Point Horseshoe Falls, Earthcache (1/1.5) Niagara Falls State Park
- GC5G8XQ, Falls Erosion, Earthcache (2/1), Niagara Parks
- GCAE4F, "Don't Give up the Ship!", Virtual (1/1), Presque Isle State Park
- GC1C18G, Salamanca Overlook Vista Earthcache, Earthcache (1/1.5), Allegeny State Park
- GC2YBH2, Petroleum Centre Cemetry, Multicache (2/2), Oil Creek State Park
- GC3QZ5Y, 3rd Annual Chapman Fall Camp-O-Rama and 1K Party, Event (1.5/1.5), Chapman State Park
- GC47YCR, A Trio of Busy Days Challenge, Unknown (4.5/3), Wind Creek State Park
County/Parish Parks
- GC1089, Overlook Cache, Traditional (1/1.5), Luensman Overlook Park
- GC1G62C, AGT-Venango-Two Mile History (1.5/1) Two Mile Run County Park
- GC6HYF6, "Fi...iMC"~ Ambling through Allardale, Unknown (2/2.5), Allardale County Park.
- GC6HNHV, "Fi...iMC"~ Waterside Walk at Lake Medina, Traditional (1.5/2), Lake Medina County Park
- GC1F01P, Sippo Lake's Hide a way, Traditional (2.5/3), Sippo Lake Park
- GC6DEZR, WRGT: 4th Annual Spring CITO Event, CITO (1/1), The Western Reserve Greenway Trail
City/Town/Village Parks
- GC2QQH4, The Love Struck Camels, Earthcache (2/2.5), Garden of the Gods, Colorado Springs City Park
- GC1F6R3, Squires Castle, Earthcache (1/1), Cleveland Metroparks North Chagrin Reservation
- GC4QACC, Conglomerates - Natural or Concrete?, Earthcache (2/2.5), Burgess Park
- GC1Y8HX, Freedlander #3, Traditional (3/2), Freedlander Park.