Photograph of a tunnel on the Axenstrasse, an 11.4-kilometer-long (7.1 miles) segment of the A4 motorway and European route E41 between Brunnen and Fluelen in central Switzerland. The tunnel is open on one side, with a view of the mountains and lake through arches carved into the natural rock. A typed note on the back of the photo says "Axenstrasse. Gallerie und Bristenstock."

Photograph of Basel Minster, a cathedral in Basel, Switzerland. The building has twin spires and a diamond pattern on the tiled roof. Typed text on the back of the photo says "Basel. Münster - Bâle. La Cathédrale."

Photograph of Basel SBB railway station in Basel, Switzerland, with tracks running around a central area with a fountain and flowers. Typed text on the back of the photo says "Basel. Bahnhof - Bâle. La Gare."

Photograph of Basel Switzerland seen from above, with the Rhein river snaking between the buildings of the city.

Photograph of Basel Minster and surrounding buildings next to the Rhein River in Basel, Switzerland. Typed text on the back of the photo says "Basel. Deutschrittergarten und Münster Bâle. La Cathédrale."

Photograph of the Rhein river in Basel, Switzerland, with one of the spires of Basel Minster in the foreground. Typed text on the back of the photo says "Basel - Bâle."

Photograph of the town square in Basel, Switzerland, with buildings surrounding a central area filled with people, and streetcars running on tracks along the street. Typed text on the back of the photo says "Basel. Marktplatz - Bâle. Le Marché."

Photograph of Flüelen, Switzerland on the edge of Lake Lucerne, with large mountains in the background. A typed note on the back of the photo says "Flüelen und der Bristenstock."

Photograph of a gondola near the Schiller stone in Seelisberg, Switzerland on the shore of Lake Uri, with Brunnen, Switzerland in the background below two tall mountain peaks. Text on the tall stone says "Dem sæncer Tells, F. Schiller, die urkantone 1859." A typed note on the back of the photo says "Brunnen und die Mythen."

Photograph of the Lion Monument (Löwendenkmal) in front of a small pond in Gletschergarten Luzern in Lucerne, Switzerland. Typed text on the back of the photo says "Luzern. Löwendenkmal."

Photograph of the city of Luzern and the surrounding countryside and lake, taken from Mount Pilatus. Typed text on the back of the photo says "Pilatus 2132 m; Blick auf Luzern und Zugersee. Pilatus 6396 feet, View towards Luzern and Zugersee."

Photograph of Lucerne, Switzerland, with buildings surrounding Lake Lucerne, and a bridge separating the lake from the Reuss river. A ship is docked at a dock in the foreground. Typed text on the back of the photo says "Luzern. Quai und Pilatus."

Photograph of Mount Pilatus, with Hotel Pilatus barely visible on its peak and Lake Luzern in the background. Typed text on the back of the photo says "Pilatus mit Vierwaldstättersee. Pilatus with lake of Luzern."

Photograph of snow-capped Mount Titlis and Mount Sustenhorn in Switzerland, taken from Mount Pilatus. Typed text on the back of the photo says "Ausblick vom Pilatus: Titlis 3239 m und Sustenhorn 2931 m. View from Pilatus: Titlis 9717 feet and Sustenhorn 8793 feet."

Photograph of Pilatus-Kulm, a hotel at the peak of Mount Pilatus, with Lake Luzern in the distance behind it. A typed note on the back of the photo says "Pilatus-Kulm. Blick auf Vierwaldstättersee. Pilatus-Kulm. View towards lake of Luzern."

Photograph of Hotel Pilatus at the peak of Mount Pilatus in Switzerland. Typed text on the back of the photo says "Pilatus-Kulm. Hotel und Galerien."

Photograph of a train on railroad tracks on Mount Pilatus in Switzerland, taken from inside a rocky tunnel as the train enters another tunnel. Mount Titlis is visible through the tunnel in the background.

Photograph of polar bears playing in and near water in their exhibit at the Eisbaren Zoological Garden in Basel, Switzerland. Typed text on the back of the photo says "Zoologischer Garten Basel. Eisbären Jardin zoologique, Bâle. Ours blancs."

Photograph of a bridge over the Rhein river in Basel, Switzerland, with buildings along the bank of the river. Typed text on the back of the photo says "Basel. Mittlere Rheinbrücke - Bâle. Pont du milieu."

Photograph of the Rhein River in Basel, Switzerland, with the silhouette of Basel Minster in the distance. Typed text on the back of the photo says "Basel - Bâle."

Photograph of a hotel at the peak of Mount Rigi in Switzerland, with a train on tracks going around the mountain and snow-capped alps in the distance, with low clouds in between. Typed text on the back of the photo says "Rigi-Kulm. Nebelmeer und Alpen."

Photograph of Seelisberg, Switzerland on the edge of a river, Vierwaldstattersee. Several snow-capped mountains are visible in the background. Typed text on the back of the photo says "Urner-See und Seelisberg."

Photograph of Tell's Chapel (Tellskapelle) on the shore of Lake Lucerne in Uri, Switzerland. The small chapel is partially obscured by trees, with boats on the lake and a large mountain in the background. Typed text on the back of the photo says "Tellskapelle und Urirotstock."

Photograph of the Gate of Spalen (Spalentor) in Basel, Switzerland. The gate is a structure with two towers on either side of a pointed middle section. Typed text on the back of the photo says "Basel. Spalentor - Bâle. La Tour de 'Spalen.'"