Courtney Reilly

Written by Courtney Reilly

Chattahoochee National Forest Oconee National Forest North Georgia in full autumn foliage

Georgia

Chattahoochee-Oconee National Forest

Washington, DC at the White House and Lafayette Square.

United States

The US Cities With the Most Registered Landmarks

Beautiful mountain landscapes in Wind River Range in Wyoming.

United States

7 States With the Oldest Rocks in North America

Walkway through the Big Room, Carlsbad Caverns National Park, New Mexico

United States

The Largest Cave Systems in The United States

Senior man paddling a red wooden canoe on a beautiful northern Minnesota lake

United States

The Largest Lakes Entirely Within One US State

HIker Stands On Rock Shelf Looking Over Mesa Verde National Park

United States

7 National Parks You Can Visit in a Day

Aerial view of ancient Native American burial mound Cahokia Mounds, Illinois, USA

Illinois

Cahokia Mounds State Historic Site

San Francisco bay with Alcatraz Island and Golden Gate Bridge on sunny day

United States

The Most Visited Historic Sites in the United States

Big trees and reflections on the Silver Spring, FL. Editorial credit: Xianghong Garrison / Shutterstock.com

United States

The 6 Largest Natural Springs in the US

US Highway 20 - Idaho. Editorial credit: Dougtone via Wikimedia Commons

Idaho

The Longest Main Street in America and the Small Towns It Passes Through

Reenactors leading horses through Fort Ticonderoga after a re-enactment

United States

7 Historic Forts You Can Still Walk Through Today

Blooming season in Hood River, Oregon. Mt hood in the distance.

United States

How Many Active Volcanoes Are In The US?

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