
Sunset by Chicago Skyline, from Indiana Dunes by (Jessica)

Aurora Borealis over Lake Michigan by Eric Hines Photography

Slope by Tom Gill.

Indiana Lightning Storm - March 20, 2011 by Eric Hines Photography

All Rolled Up by Tom Gill.

Santa Fe 5862 on Conrail - 11/17/1991 by First.Light.55

Lost arts by Zeolite C O

The Brown Season by Don Kalkman

IMG_6032 by (Jessica)

Sunset from Indiana Dunes by (Jessica)

Still Standing by SE Delmar tower

O. Winston Link Style by SE Delmar tower

Lake Michigan Sunset - Indiana Dunes State Park by aparlette

Conrail 6803 - 8/21/1994 by First.Light.55

IMG_6029 by (Jessica)

Micro Geology by Nashville_Photog

Socially Distant Horizons by The New No. 2

On the Edge of Eternity by Cygnus~X1 - Visions by Sorenson

In Flight Over Trees in Indiana Dunes National Park by thor_mark

Big Show Under The Wire by Dave Blaze Rail Photography

Treating Myself to Another of Nature's Amazing Outposts in Indiana Dunes National Park by thor_mark

A Forest of Memories While Walking in Indiana Dunes National Park by thor_mark

CSX 5262 - 9/16/2014 by First.Light.55

Fiddlehead by rexp2

A Hike Into Adventure in Indiana Dunes National Park by thor_mark

Starting the season by Zeolite C O

Grand Trunk #9018 Valparaiso, Indiana by Barry Lennon

Early Morning Walks Along the Bailly Chellberg - Little Calumet Loop (Indiana Dunes National Park) by thor_mark

Scenic and Historic Indiana Dunes National Park by thor_mark

Signs of Springtime in Indiana Dunes National Park on an Overcast Morning by thor_mark

A Grassy Meadow on a Farm in Indiana Dunes National Park by thor_mark

Living a Tradition of Solitude in Indiana Dunes National Park by thor_mark

254 At Valpo by SE Delmar tower

Taking One Day at a Time in Indiana Dunes National Park by thor_mark

Night Time At Rileys Railhouse by SE Delmar tower

All welcome by Lynne Dohner

Spring Colors of Yellow and Green in the Forest and Woods of Indiana Dunes National Park by thor_mark

Autumn Leaves and Spring Fun in Indiana Dunes National Park by thor_mark

Chicago skyline viewed from >30 miles (50 km) across Lake Michigan | Indiana Dunes National Park, Indiana, USA by JMY Photography

Exploration in Indiana Dunes National Park by thor_mark

I Am Off to Find Epic Places (Indiana Dunes National Park) by thor_mark

Garden viewing. by kevinmboots77

The Official Guide to Exploring Forest in Indiana Dunes National Park by thor_mark

Man Made Power Beyond the Forest and Trees of Indiana Dunes National Park by thor_mark

Jeepness by thor_mark

My Time in the Forest and Woods of Indiana Dunes National Park by thor_mark

Buildings from Long Ago of the Bailly Homestead in Indiana Dunes National Park by thor_mark

Transmission Towers and Lines Along the Southern Edge of Indiana Dunes National Park by thor_mark

A LiveView of Fallen Leaves from Down Low (Indiana Dunes National Park) by thor_mark

Walking the Forested Byway Along the Calumet Dunes Trail (Indiana Dunes National Park) by thor_mark

Little Calumet River From a Pedestrian Bridge Crossing (Indiana Dunes National Park) by thor_mark

A Forest and Woods in Black & White in Indiana Dunes National Park by thor_mark

Letting a Path in the Forest Guide My Walk (Indiana Dunes National Park) by thor_mark

It Isn’t Hard to Imagine a Beautiful Day in Indiana Dunes National Park by thor_mark

A Forest of Fallen Leaves Along the Calumet Dunes Trail (Indiana Dunes National Park) by thor_mark

Indiana Dunes by urbsinhorto1837

Road to Everywhere... by Nashville_Photog

Along a Trail Leading to Chellberg Farm (Indiana Dunes National Park) by thor_mark

Looking Across a Grassy Field While Walking the Bailly Chellberg -Little Calumet Loop (Indiana Dunes National Park) by thor_mark

A Maple Syrup Farm Building in the Chellberg Farm Area of Indiana Dunes National Park by thor_mark