Cloudy sky at sunset over the famous Kulm hotel Gornergrat and Matterhorn peak, Zermatt, Valais Canton, Swiss Alps, Switzerland, Europe

Cafe at mountain hotel Rigi-Kulm, Rigi-Kulm Mountain, Lake Lucerne, Canton Lucerne, Switzerland, Europe

People on platform of Hotel Bellevue, mount Esel (2118 m) in background, Pilatus (2132 m), Pilatus Kulm, Canton of Obwalden, Switzerland

Helicopter flying over Hotel Bellevue in front of mount Esel (2118 m), panoramic view over Lake Lucerne, Pilatus (2132 m), Pilatus Kulm, Canton of Obwalden, Switzerland

Hotel Restaurant Rigi Kulm and communication tower on Rigi Kulm (1797 m), Canton of Schwyz, Switzerland

Two female hikers standing on vantage point looking to Hotel Bellevue in front of mount Esel (2118 m), panoramic view over Lake Lucerne, Pilatus (2132 m), Pilatus Kulm, Canton of Obwalden, Switzerland

Hotel Pilatus Kulm and Bellevue on Mount Pilatus, popular tourist's destination, near Lucerne, views of Lake Lucerne, Switzerland, Europe

Hotel Pilatus Kulm on Mount Pilatus, popular tourist's destination, near Lucerne, Switzerland, Europe

Restaurant Uto Kulm at dusk seen from the Ueetliberg, Zurich, Switzerland

The hotels Bellevue and Pilatus Kulm on the Mount Pilatus excursion mountain in the early morning on Lake Lucerne, in Lucerne, Switzerland, Europe

Hotel Pilatus Kulm, Lucerne, Switzerland, Europe

Terrace of the Rothorn Kulm mountain hotel on Mt. Brienzer Rothorn, Bernese Oberland, Switzerland, Europe

Kulm hotel and trail, Gornergrat, Zermatt, Swiss Alps, Switzerland, Europe

Kulm Restaurant and Hotel, Camogli, Liguria, Italy