What is another word for grottos?
Pronunciation: [ɡɹˈɒtə͡ʊz] (IPA) 
Grottos are natural or artificial caves characterized by rugged or rocky walls with unique geometrical shapes that create an incredible atmosphere. They come in different sizes, shapes, and materials such as marble, limestone, and granite. Synonyms for grottos include caves, caverns, subterrane, catacombs, tunnels, shafts, and mines. Caves represent natural openings in the earth's surface, while tunnels and mines are often man-made for different purposes. The term subterranean is used when referring to anything that is underground. Catacombs, on the other hand, primarily refer to underground cemeteries with galleries and recesses for burials. These synonyms are useful in describing the different types of spaces that can be explored underground and can be used interchangeably with grottos.
