A micronation on an islet along the coast of a Portuguese island.

The water here is so clear you can see the mysteriously sunken ship from the surface.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

The eccentric midcentury home of a suspected mafia gun-runner.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

This no man's land slicing through the island is strewn with abandoned relics of another time.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

Sex curse discovered on ancient tablet in Cyprus.

These ruins disappear beneath the waves every winter.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

This medieval wine press is one of the oldest in Cyprus.

A crumbling ghost town with prime views of the dam that doomed it.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

An ancient necropolis of magnificent tombs.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

Northern Ireland's Brobdingnagian stepping stones.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The atmospheric road was never meant to be so creepy.

A memorial to a goat culled during a foot and mouth disease outbreak guards a series of fantastical caves.

These engineering masterpieces are a dominant feature of the Belfast skyline.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

This massive monument has been telling the time for 150 years—at a slight angle.