Unknown Territories

adjective describing something that has not been explored or investigated

• The scientist embarked on a research expedition to study the unexplored depths of the ocean.
• Let's go on an adventure and explore the unexplored areas of the forest!
• I heard there's some cool, unexplored spots in the city we should check out.
• Her mind was like an unexplored territory, full of untapped potential.

adjective not measured or understood; deep or profound

• The scientist delved into the unplumbed depths of the ocean to study its unique ecosystem.
• I never knew the unplumbed mysteries that lay hidden in the old abandoned house.
• Dude, that party was unplumbed! We had such a great time.
• Her talent was like an unplumbed well, waiting to be discovered and appreciated by the world.