2. Achieve towering ambitions in Snowdonia Those medieval castle-builders knew a thing or two about deterring uninvited visitors: nothing says ‘stay out’ like massive wooden doors, solid stone walls and crenelated towers. The 19th-century architects of Brynkir Tower incorporated those features into this Grade II-listed faux-Gothic folly, now a fairytale retreat for four in the north-western reaches of Snowdonia National Park. Arched windows frame vistas of crags and ridges, while the spiral staircase links a well-equipped kitchen with two bedrooms, a cosy wood-burner-warmed living room an...