Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

120 mortarless pagodas built by one Korean hermit.

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

Nineteen ancient rock-cut Buddhist caves can be found on the outskirts of Mumbai.

Modest by day, illuminated majestically at sunset.

A blooming house of worship for the masses.

An extraordinary "City of Caves" carved from solid stone.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

The world's northernmost aquarium looks like it has fallen over.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Home to three historic ships from the age of Vikings.

The hallucinogenic center of the ancient world.

Climb to the top of the world's largest seated bronze Buddha.

An alien landscape of chalk-rock in the Egyptian desert.