Transforming a dilapidated castle into a lavish getaway.

A rundown castle in Tuscany was transformed into a luxury second home and five stunning villas with pools and two apartments, while a Japanese countryside home was turned into a unique guesthouse experience. A French company promises Michelin-star-level meals for space tourists, while a Swedish hypersonic aviation startup plans to introduce hydrogen-powered passenger flights at five times the speed of sound by the 2030s. Additionally, CNN Underscored has put together the ultimate Walt Disney World packing list, and South Africa boasts over 3,700 hiking trails.