US Has a National Register of These (old) Houses
This page is the CodyCross answer for the clue below from Beach Bliss, Group 2052, Puzzle 1 (Horizon Line).
Question is: US Has a National Register of These (old) Houses
and the answer is: HISTORIC
Word Meaning:
HISTORIC — Very important; noteworthy: having importance or significance in history.
Definitions from Wiktionary.