Acknowledgements; Introduction; 1. The Natural Forge of the Transcendental: The Movement of Thought and the Space of Nature; 2. Castles of Ether and Asymptotic Bridges: Kant, Maimon, Schelling, and the Relation of Inner and Outer Sense; 3. The Force of the Continuous: Schelling’s Naturalization of Mathematics; 4. The Red Threads of the World: Potenzen, Construction, and Inexistence; 5. Lamps, Rainbows, Unicorns, and Horizons: Spatializing Knowledge in Naturphilosophical Epistemology; 6. Speculative Pragmatism: Traversing the Richtungen of Nature and Thought; Bibliography.