Forts

These 19th-century military fortifications spanning the island of Malta now form a nice countryside hiking trail.

Solitary stone structures and a tale of tragedy are all that remains of a historic settlement built by French Protestant refugees.

Walk through abandoned anti-Russian military tunnels on this volcano at the head of Auckland Harbor.

The history of the oldest fort in Baltistan is steeped in familial rivalry and gruesome deaths.

A strategically positioned fortress that protected the Fazana channel has found new life as a place for theater.

This impressive gate is the only remaining remnant of a Spanish naval station.

Taiwan's first stone fortress is also the best preserved Qing Dynasty-era city on the island.

The eerie remains of one of Ireland's oldest castles, said to be haunted by the ghost of a woman who brings ill fate.

This underground art installation recreates an ancient date honey storeroom.

This restaurant sits within the walls of an 18th-century fortification that once defended the city’s old quarter.

This medieval fortress guards a monastery near the border of Serbia and Montenegro.

If you dare visit this fort, fire-breathing hyenas might devour your camels.

One of the most studied Iron Age settlements in Europe.

Northern Europe’s largest castle ruins sit precariously on an island cliffside.

The gnarled remains of an exploded German bunker from World War II sit along a breathtaking fjord.