
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

Boardwalk by Tom Gill.

Nike Missile Site C-47L Fallout Shelter. Wheeler, Indiana by Eric Hines Photography

Snowy Owl 2 by SpeedyJR by SpeedyJR

A walk Through the Verticals by Tom Gill.

The Brown Season by Don Kalkman

Short And Sweet by Don Kalkman

IMG_6032 by (Jessica)

Still Standing by SE Delmar tower

INDU_Aerial014_Summer2011_CDillon_NPS Collection by IndianaDunesNPS

Chellberg Farm_Hiking003_Fall2014_KGeorge_NPS Collection by IndianaDunesNPS

INDU_Aerial012_Summer2011_CDillon_NPS Collection by IndianaDunesNPS

GTW At Valparaiso by SE Delmar tower

O. Winston Link Style by SE Delmar tower

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

Holding at Hobart by Don Kalkman

Chellberg Farm Woodland by mastodont

Unwrapping by Tom Gill.

In Flight Over Trees in Indiana Dunes National Park by thor_mark

Signals Still Standing-NYC by SE Delmar tower

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

Big Show Under The Wire by Dave Blaze Rail Photography

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

Fiddlehead by rexp2

A Hike Into Adventure in Indiana Dunes National Park by thor_mark

35J at Porter by SE Delmar tower

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

Grand Trunk #9018 Valparaiso, Indiana by Barry Lennon

Scenic and Historic Indiana Dunes National Park 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

Under, Up, Across & Over by SE Delmar tower

254 At Valpo by SE Delmar tower

Splash Of Color by SD80MAC_4103

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

Night Time At Rileys Railhouse by SE Delmar tower

Five Horizons by Joshua Dudinetz

All welcome by Lynne Dohner

RR Spike--3 by SE Delmar tower

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

Exploration in Indiana Dunes National Park by thor_mark

Garden viewing. by kevinmboots77

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

Walking Miles in My Shoes (Indiana Dunes National Park) by thor_mark

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

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

Fresh Ideas for Travel in Indiana Dunes National Park by thor_mark

Indiana Dunes by urbsinhorto1837

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

The green of Sedley by Zeolite C O

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