The antimatter of science fiction vastly differs from the real-life antimatter of particle physics. The former powers spaceships or bombs, while the latter is just another particle that physicists study, one that happens to be the mirror image with the opposite charge of the more familiar particles.
St. Maurice’s Abbey in Switzerland was built in a rather precarious place. Constructed in 515, the building stands tall against a steep cliff that is prone to rock slides. Damaging rock slides.