Secret North Korean passage discovered below the world's most dangerous border.

These purpose-built WWII air raid shelters, which run half a kilometer under the town of Mellieħa, are among the longest in Malta.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Not quite the menace it once was, this monster still has some chops.

If you forgot something to read during your trip to Tokyo, this hostel has you covered.

Walls of VHS tapes adorn this Golden Gai B horror movie themed bar.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

This crumbling Portuguese ruin overlooks the populace it once ruled.

The corpse bride of Portugal.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

The scorched Lisbon church that survived two earthquakes and a massive fire.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

Eat the ultimate iteration of Portugal's most beloved pastry.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

It was once nicknamed "the most bombed hotel in Europe."

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

The building hides in plain sight in Ribadavia's historic Jewish quarter.

The ruins of the second-largest circus school in the world.

An abandoned 6th-century monastery features a medieval map of the known world.

In Spain, the ruins of a Roman military camp sit along a flooded section of a river.

A submerged village appears when dam levels drop.