A young man at John Heinz National Wildlife Refuge at Tinicum in Pennsylvania

A young man standing on a wetland boardwalk trail in autumn using binoculars to peer into a distant stand of trees

A young man at John Heinz National Wildlife Refuge at Tinicum in Pennsylvania

Exploring the Horizon
PENNSYLVANIA: The boardwalk at John Heinz National Wildlife Refuge at Tinicum winds through wetlands surrounded by woodlands.
Image
Photo By/Credit
Lamar Gore/USFWS
Ecosystem
Forest
Wetland
Recreational Activity
Media Usage Rights/License
Public Domain
Subject tags
Connecting people with nature
Photography
Wetlands
Wildlife refuges
Wildlife viewing