Simple categories matching impressive:

• building,
• reptile,
• attack,
• touch,
• facility,
• installation,
• architecture,
• beast,
• formation,
• object,
• monument,
• church,
• structure,
• location,
• palace,
• site,
• edifice,
• establishment,

Members with property impressive:

• pool,
• play_area,
• multipurpose_hall,
• extensive_library,
• gates,
• elephant,
• parliament_house,
• artist_space,
• giraffe,
• india_gate,
• aquarium,
• agricultural_system,
• lion,
• large_vestibule,
• gymnasium,
• stately_home,
• centre,
• court,
• temple,
• telecommunication_tower,
• amphitheatre,
• several_house,
• maneuver,
• settlement,
• library,
• fire,
• badminton_stadium,
• theatre,
• circus,
• beam_work,
• graduate_house,
• transportation,
• rhino,
• stone_work,
• theater,
• shark_bay,
• belfry_tower,
• dance_studio,
• cathedral,
• information-technology_suite,
• tv,
• medieval_castle,
• doric_temple,
• computer_center,
• millennium_tower,
• grand_mosque,
• science_block,
• high_court,
• court_house,
• halyard_hotel,
• fort,
• diocletian_bath,
• duomo_cathedral,
• takeoff,
• great_mosque,
• third-person_action,
• roman_theatre,
• norman_cathedral,
• blenheim_palace,
• hanging,
• arena,
• winter_palace,
• private_club,
• danube_tower,
• gothic_cathedral,
• villa,
• hermitage,
• ice_sculpture,
• ball_court,
• royal_library,
• use,
• monument,
• bath,
• kennedy_center,
• conical_tower,
• long_barrow,
• diocletian_camp,
• royal_palace,
• golden_throne,
• egyptian_temple,
• heritage_centre,
• hotel,
• dome,
• trampoline,
• palace,
• museum,
• fitness_centre,
• gym,
• state_opera,
• walter-scott_monument,
• welcome_monument,
• hieroglyphic_stairway,
• pantheon,
• mansion,
• rockefeller_center,
• great_enclosure,
• hampton_court,
• caiman,
• church,
• castle,
• bishop,
• arena_amphitheatre,
• kazan_cathedral,
• marble_arch,
• tavern,
• bridge,
• major_ministry,
• aircraft-carrier_landing,
• grant_mansion,
• tapestry,
• house,
• masonic_hall,
• stockholm_cathedral,
• auditorium,
• lion_gate,
• sport_hall,
• bathroom,
• viaduct,
• wave,
• municipal_theatre,
• military_bathhouse,
• arch,