Modifiers matching monument:

• historical,
• gothic,
• representative,
• marine,
• roman,
• baroque,
• sacred,
• natural,
• public,
• regional,
• cultural,
• military,
• beautiful,
• huge,
• significant,
• religious,
• popular,
• temporary,
• utilitarian,
• architectural,
• unique,
• historic,
• central,
• civic,
• individual,
• large,
• interesting,
• single,
• grave,
• secular,
• important,
• civil,
• chinese,
• egyptian,
• standard,
• physical,
• visible,
• muslim,
• typical,
• prestigious,
• greek,
• fragile,
• larger,
• major,
• ancient,
• byzantine,
• maritime,
• archaeological,
• medieval,
• local,
• metallic,
• literary,
• several,
• prehistoric,
• surrounding,
• new,
• main,
• artistic,
• buddhist,
• islamic,
• small,
• christian,
• magnificent,
• impressive,
• ceremonial,
• national,
• wonderful,
• permanent,
• symbolic,
• rare,
• minor,
• interior,
• familiar,
• archeological,
• urban,

Simple categories matching prehistoric:

• mammal,
• material,
• tool,
• organism,
• animal,
• relic,
• survivor,
• reptile,
• creature,
• giant,
• beast,
• artefact,
• dinosaur,
• artifact,
• site,
• critter,
• monument,
• item,