Looking west towards the Rocky Mountains from Big Timber, Sweet Grass County, southern Montana, Montana, USA, North America

Hikers on the summit of the Husfjellet mountain, Senja island, County of Troms, Norway, Northern Europe

View from summit of Prairie Mountain, Coast Range Mountains, Lane County, Oregon.

Aerial view of the town of Radolfzell on Lake Constance at sunset, on the horizon the Hegauberge Hohentwiel and Hohenstoffeln, Konstanz district, Baden-Wuerttemberg, Germany, Europe

Summit County, Colorado: The almost ghost town of Montezuma shows signs of life via a string of mailboxes.

A father, Brad Piehl, watches while his daughter, Jenna, snowshoes for the first time, on the snow covered Boreas Pass Road, a popular winter recreation trail for cross country skiers and snowshoers. The road becomes a trail, and is part of the Rails to Trails system. It follows an old railroad grade southeast over the mountains to the town of Como.

Rolando Garibotti skis with a pack on the Boreas Pass trail which crosses the Rocky Mountains from Breckenridge to Como, Colorado. The trail is part of the Rails to Trails system and follows an old railroad grade. The trail is also part of the 10th Mountain Division Hut System, with a hut called the Section House located along the trail at the top of Boreas Pass. The trail is within Pike-San Isabel National Forest

Summer brings colorful displays of wildfllowers along the roads of Peak Seven.

Female hiker looking out over an old stone wall on top of the Galty Mountains in winter in cloudy, foggy weather; County Tipperary, Ireland

Female hiker in red jacket hiking on a snow-covered mountain in winter in bad weather, Galty Mountains; County Tipperary, Ireland

Frozen ice formations on the summit of Galtymor mountain with a celtic cross in winter, Galty Mountains; County Tipperary, Ireland

Female hiker looking out over an old stone wall on top of the Galty Mountains in winter in cloudy, foggy weather; County Tipperary, Ireland

Ireland, County Mayo, Achill Island, Minaun Cliffs, Statue of Blessed Virgin Mary on summit of the cliffs

Ireland, County Fermanagh, Cuilcagh Mountain Park, Hiker enjoying the view from the summit of Cuilcagh Mountain.

Wales, Llandudno, Great Orme Headland summit.

Ireland, County Down, Mourne Mountains, A cairn on the summit of Slieve Donard with Newcastle and its beach in the background

IRELAND, County Galway, Connemara, Diamond Hill, Stone pile at the summit of the hill with Ballynakill Harbour below

IRELAND, County Galway, Connemara, Diamond Hill, view of Kylemore Abbey and Kylemore Lough from summit of Diamond Hill

The national forest and Goat Rocks Wilderness, Cascade Range in Washington, Skamania County, Washington, USA