Creating large, monolithic wood carvings requires selecting the right type of wood to ensure durability, workability, and aesthetic appeal. The best woods for such sculptures combine strength, fine grain, and resistance to cracking. Here are the top choices:

1. Basswood: A favorite among carvers for its soft, even grain and minimal warping. Ideal for intricate details in large sculptures.

2. Walnut: Durable and rich in color, walnut offers a striking finish but requires sharp tools due to its hardness.

3. Mahogany: Known for its stability and reddish hue, mahogany resists decay and is perfect for outdoor sculptures.

4. Oak: Extremely strong with a prominent grain, oak suits bold, large-scale carvings but can be challenging to work with.

5. Cedar: Naturally resistant to insects and rot, cedar is lightweight and emits a pleasant aroma, great for rustic pieces.

Each wood type has unique characteristics, so choose based on your project's needs—whether prioritizing ease of carving or longevity. Proper drying and sealing are essential to prevent cracks in large monolithic works.