A brief history of Indiana geology
Northern Moraine and Lake Region
Indiana dunes: the rise and fall of Lake Michigan
Pokagon State Park: Kettles, Kames and Moraines
Chain O'Lakes State Park: interconnected glacial waterways
Kankakee Sands Preserve: glacial floodway turned prairie dunes
Fox Island County Park: wooded dunes along a glacial sluiceway
Central Till Plain Region
Ardmore Quarry: carbonate rock crushed for aggregate
Hanging Rock Nature Preserve: pinnacle reefs from Klintar Cliffs
Big Four Railroad Cut: the Wabash Reef in cross section
Seven Pillars of the Mississinewa: alcoves in Cherty limestone
Tippecanoe Battlefield: Tecumseh's defeat and the New Madrid earthquakes
Kentland Dome: meteor impact structure
Fall Creek Gorge Nature Preserve: potholes in polished sandstone
Williamsport Falls: Indiana's highest free-falling waterfall
Portland Arch Nature Preserve: natural bridge in cross-bedded sandstone
Sugar Creek Trail: Crawfordsville Crinoids
Turkey Run State Park: cool climates in carved canyons
Shades State Park: shades of death on an uncomformity
Indiana State Museum: natural history on display
Trenton Field: oil and gas giant
Whitewater Valley Gorge Park: falls diverted over fossiliferous rock


Brookville Lake Dam: storm deposits at the spillway
Anderson Falls: Indiana's Niagara Falls
Southern Hills and Lowlands Region
Flatwoods Park: glacial lake drained by underground streams
McCormick's Creek State Park: limestone canyon, quarry, and caves
Cedar Bluffs Nature Preserve: wilderness in the stone belt
Monroe Lake: Crinoid communities on a limestone peninsula
Indiana University Campus: artistry in Salem limestone
Land of Limestone Museum: the Nation's building stone
Mount Carmel Fault: shifted strata at the surface
Cataract Falls: two-tiered waterfall through a glacial lake plain
Cagles Mill Spillway: uncovering unconformity
Brown County State Park: Little Smokies
Knobstone Escarpment: a rocky backbone
Tunnel Mill: passageway through fossiliferous shale
Muscatatuck County Park: Vuggy dolostone bluffs above a river
Versailles State Park: entrenched stream at a stratigraphic boundary
Clifty Falls State Park: waterfalls, canyons, and the birth of a river
Jug Rock Nature Preserve: freestanding sandstone pillar
Hindostan Falls: glacial grooves in flat rock


Crown Hill Cemetery: history in Hindostan whetstone
Spring Mill State Park: cavernous conduits under a pioneer village
Lost River: disappearing stream in Karst topography
Wesley Chapel Gulf and Orangeville Rise: subterranean windows
Weber Lake: coal mine reclamation
Angel Mounds State Historic Site: a Missippian mystery
New Harmony: birthplace of American geology
Wyandotte Caves: breakdown mountains inside dry caverns
Bluespring Caverns: boat tours through underground angles
Indiana Caverns: Indiana's longest cave
Falls of the Ohio: world class fossil beds in limestone ledges