What is Lock-Nah? (Expert)
#1: A historical artifact
#2: A waterway in the U.S.
#3: A type of lock system
#4: A geological formation
What unique feature is found at Lock-Nah? (Medium)
#1: It is a wildlife refuge
#2: It contains ancient rock carvings
#3: It has a geothermal hot spring
#4: It is a popular hiking destination