cairn (n.)

• arch
• barrow
• bookmark
• brass
• bust
• cenotaph
• column
• cromlech
• cross
• cup
• dolmen
• grave
• gravestone
• headstone
• inscription
• landmark
• lighthouse
• lightship
• mark
• marker
• mausoleum
• megalith
• memento
• memorial
• menhir
• milepost
• milestone
• monolith
• monument
• mound
• necrology
• obelisk
• obituary
• pharos
• pillar
• plaque
• platform
• prize
• pyramid
• reliquary
• remembrance
• ribbon
• shaft
• shrine
• stela
• stone
• stupa
• tablet
• testimonial
• tomb
• tombstone
• tope
• tower
• trophy
• watchtower