The Large Hadron Collider is in Switzerland because Congress canceled the construction of our much larger atom smasher, the Superconducting Super Collider, in 1993.
Using a humongous atom smasher called the Large Hadron Collider, they spend their days shooting beams of protons into each other and inspecting what comes out.
In his long-running battles with the Nazi villain Red Skull and the Swiss anarchist Flag-Smasher, among others, the Captain fought with the trademark Marvel Comics blend of fantasy and all too human failing.