1acre
2ancient
3astonish
4attraction
5bark
6boast
7branch
8campsite
9canyon
10cavern
11climate
12coastal
13diameter
14forest
15giant
16height
17landscape
18majestic
19mountainous
20organism
21picnic
22Redwood
23region
24Sequoia
25stun
26thick
27thickness
28thrive
29uniquely
30vacation