The Entities

Deep underground physics laboratory situated in the Fréjus Road Tunnel between France and Italy.

Next-generation ground-based observatory for very high-energy gamma-ray astronomy located in Chile and Spain.

International scientific team operating two ground-based Cherenkov telescopes at La Palma for gamma-ray astrophysics.

World-famous thermal health resort, Tamina Gorge spring center, and municipality in St. Gallen, Switzerland. Population: ~6,500.

International physics collaboration in Mendoza, Argentina, studying ultra-high-energy cosmic rays across a vast surface array.

University of California astronomical observatory atop Mount Hamilton, the world's first permanently inhabited mountaintop observatory.

He was a mathematician who created the theory of buildings in group theory, winning the Abel Prize and Wolf Prize.

Historic cross-border twin town on the Rhine River renowned for its medieval fortifications in Aargau, Switzerland. Population: ~3,700.

Historic medieval monastic town on the Doubs River known as the Pearl of the Jura in Switzerland. Population: ~900.

Famous Benedictine monastery village and premier Titlis glacier ski resort in Obwalden, Switzerland. Population: ~4,300.

Historic alpine mountaineering association promoting mountain safety, hut infrastructure, and alpine conservation in Austria.

Exceptionally well-preserved medieval town renowned for painted facades and Saint George's Abbey in Schaffhausen, Switzerland. Population: ~3,500.

Strategic alpine transit crossroads at the foot of the Saint-Gotthard Pass in Uri, Switzerland. Population: ~1,500.

University of Texas astronomical research facility in the Davis Mountains operating the Hobby-Eberly Telescope.

Historic radio astronomy and planetary radar research institution in Puerto Rico that pioneered extraterrestrial signal detection.

Global network of synchronized radio telescopes that captured the first direct images of black hole event horizons.

Historic Benedictine abbey community and Romansh cultural capital located in the Surselva of Graubünden, Switzerland. Population: ~2,000.

Scenic lakeside municipality located at the eastern end of Lake Walen in St. Gallen, Switzerland. Population: ~5,700.

National mountaineering association founded in 1863 operating over 150 mountain huts across the Swiss Alps.

Particle physics detector buried deep in the Antarctic ice cap at the South Pole observing high-energy cosmic neutrinos.

Intergovernmental radio telescope organisation constructing the world's largest radio astronomy array in Australia and South Africa.

Easternmost municipality of continental Finland and the European Union, rich in Karelian culture. Population: ~4,500.

Picturesque medieval walled town on Lake Murten, bilingual cultural gem in Canton Fribourg, Switzerland. Population: ~8,300.

Cantonal capital of Glarus, historic textile printing center located in a steep alpine valley in Switzerland. Population: ~12,500.