These clocks tell time in a theological sense.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This church is named for one of the most dramatic tales in the early Christian church.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

A World War II-era sign in Valletta is a reminder of when Malta was besieged so severely that food needed to be rationed.

The eyes and ears of this tower keep watch over Malta’s Grand Harbor.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

This unique building in the main square stands out among the city's typically Baroque architecture.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

This Stone Age solar temple aligns with the sun on each equinox and solstice.

The sanctuary seems to either float atop the water or sink into the dirt, depending on the water level.

Hundreds of huge, centuries-old horseshoes adorn the walls of this nontraditional 12th-century castle.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

The longest and steepest staircase locks in the United Kingdom.

This iconic building was founded as a school for the impoverished, but became one for the sons of the local gentry.

A miniature village mimics the surrounding buildings so well it includes itself.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

Giant naked man on a hillside.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Cold war icon and onetime "hole" in the iron curtain.