Diversity of the Extrasolar Worlds.- Measurements of Stellar Obliquities.- Origin of the Misaligned Hot Jupiters: Nature or Nurture?.- Three-dimensional Stellar Obliquities of HAT-P-7 and Kepler-25 from Joint Analysis of Asteroseismology, Transit Light Curve, and the Rossiter-McLaughlin Effect.- Spin-Orbit Misalignments of Kepler-13Ab and HAT-P-7b from Gravity-Darkened Transit Light Curves.- Probing the Architecture of Hierarchical Multi-Body Systems: Photometric Characterization of the Triply-Eclipsing Triple-Star System KIC 6543674.- Summary and Future Prospects.