Venture to dizzy heights with a look at some of the world’s most incredible clifftop towns, from seaside citadels to remote medieval mountain villages. For a bit of extra fun, we've decided to combine ...

Fly over Castro Urdiales on Spain’s Cantabrian coast—drone footage highlights the Gothic Santa María de la Asunción church, the cliffside Castle–Lighthouse of Santa Ana, and the fishing-port charm set ...