This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

Wedged between streets and buildings, this ancient Roman theatre could seat 7000 spectators.

The world's most active stratovolcano is almost always erupting.

These murals stand as reminders to the troubled history of this Northern Ireland city.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

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

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

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

Single runway interrupted by a busy road that cuts across its middle.

This glass wall is gradually filling up with paper cranes, in honor of Hiroshima’s past and dedication to its future.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

A massive, photogenic gate designed after a traditional hand drum used in the regional noh

Peace Park and the Atomic Bomb Dome.

A Japanese corporation has turned this small island town into living modern art gallery.

This isolated Japanese mountain village untouched by time showcases unique and stunning traditional architecture.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

The 10,000 Torii shrine.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

For years, the remains of this ancient Roman fortress were hidden under an orchard.