Derry

Teetering on the sheer basalt cliffs of Downhill Demesne, Mussenden Temple is a vision of Neoclassical audacity — a circular library modeled on the Temple of Vesta at Tivoli, perched so precariously over the Atlantic that its builder, the eccentric Earl-Bishop Frederick Hervey, supposedly had a mass said annually to prevent it from tumbling into the sea. Completed in 1785, the temple once housed Hervey’s vast collection of books and scientific instruments, warmed by a basement fire that drew hot air through flues in the walls (a clever early climate-control system). Today, the interior is empty, but the effect is undiminished: through the tall windows, the ocean stretches to the horizon, framed by the temple’s Corinthian columns. The surrounding demesne, now a National Trust property, unfolds in ruined splendor — a lions’ gate, a dovecote, the shell of Downhill House, and the Black Glen’s waterfall walk. It is a place of Romantic ruin and sublime coastal drama, where Enlightenment ambition meets the raw power of nature.

Encircling the historic heart of Derry~Londonderry, these 17th‑century ramparts stand as the only completely intact walled city in Ireland. A walk along the 1.5‑kilometre circuit offers a vivid timeline: cannon‑studded bastions gaze over the Bogside’s murals, while the four original gates – Bishop’s Gate, Ferryquay Gate, Butcher Gate and Shipquay Gate – frame vistas of the River Foyle and the distant Donegal hills. The walls have witnessed sieges, civil‑rights marches and the city’s vibrant rebirth; today they serve as a living promenade where locals jog past centuries‑old gun emplacements and visitors pause to read interpretive panels that bring the 1689 Siege to life.