Answer: LOCHNESS

AnswerCrossword Clue
LOCHNESSHighlands site of many sightings
LOCHNESSFamed monster's lake
LOCHNESSCryptozoologists' mecca
LOCHNESSSight from the Great Glen Way
LOCHNESSScottish tourist draw
LOCHNESSHome of a hypothetical monster
LOCHNESSLocale in a much-studied 1934 photo
LOCHNESSUrquhart Castle is on it