Tropea's cliffside homes sit flush with the rock, overlooking the white sand beach below. The best spot to get a panoramic view of the houses is at Santa Maria dell'Isola.

Until recently, the upscale homes of the Redhill Peninsula seemed like an oasis for rich Hong Kongers aspiring to a tranquil lifestyle in an otherwise notoriously cramped metropolis of 7.5 million.

Fly above Rupit, a medieval village perched atop cliffs in Catalonia, Spain. This drone footage captures stone houses, narrow cobblestone streets, a hanging bridge, and the nearby Sallent waterfall.