Wars fought and wars won are remembered by these abandoned bunker ruins.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

Once standing on solid ground, this slender beacon is a victim of the very shoreline it was charged with announcing.

Man-made mineral caves house massive bat colony.

The gutted remains of this Estonian mansion are a monument to a tragic love.

Mysterious craters may have been home to an ancient cult.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

This legendary dessert was served to Nobel laureates for decades.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

A 12th-century church with a medieval fresco and an intriguing “Greek runestone.”

Wooden cutouts of the fictional family from the popular Swedish comic strip take a stroll along the side of the road.

A wooden street sign is the last remnant of this 400-year-old alleyway.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.