This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

This 15th century pharmacy displays a beautiful collection of ancient medicine jars.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

This enormous censer uses a pulley system installed over 400 years ago.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

Ruins of the Crusaders' headquarters.

The largest hewn stone in history.

A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

One of the word's deepest gorges is also tied to a fantastic legend.

A fifth-century temple improbably built into the side of a cliff.

Bronze statues honor the brave explorers who passed through this Antarctic gateway.

A tower made from shell rock designed to commemorate fallen soldiers in World War I.

The once and future home of New Zealand's famed Pink and White Terraces.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

The "punniest place on Earth” has nearly as many bull-themed puns as it does people.

You may recognize this beautiful grove within Kaitoke Regional Park as location of the house of Elrond.

New Zealand's oldest prison holds a dark history and the scars of a deadly earthquake.

Nature's slip and slide.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

Eat your Big Mac in a DC-3.

Taihape's claim to fame is a fictional Kiwi farmer wearing gumboots.

The largest model carrot in the world.