Twisty (adjective)

1. Full of twists and turns.
2. Having many curves and bends.
3. Having a twisted or contorted shape or appearance.

Origin:

From twist + -y, from the verb twist ("to turn, bend or wind").

Examples:

1. The twisty road through the mountains was a beautiful but treacherous drive.
2. The twisty plot of the novel kept me guessing until the end.
3. The twisty branches of the tree were covered in vines.
4. The twisty corridors of the old castle were confusing.
5. The twisty design of the sculpture was fascinating to look at.