One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

An ancient neolithic tomb that only sees the sun twice a year.

This single room has survived the centuries with almost no deterioration.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

The world's first and only three-segment bascule bridge folds up into the shape of a capital "N" to let boat traffic through.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

This dockworkers' lunch joint has been left leaning by a century of storm floods.

Remnants of an exploded schooner and wrecked submarines form a breakwater.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.