A spectacular aerial journey across Switzerland reveals Europe's highest observatory, an earthquake-proof skyscraper and a gravity-defying railway.

This unique aerial voyage across Iceland reveals the threat of volcanic eruptions, rare footage of humpback whales feeding, and stunning architecture.

A striking aerial journey across Portugal, discovering Lisbon's mosaic pavements, a kaleidoscopic castle and a record-breaking footbridge.

An aerial tour of Croatia reveals a Roman architectural masterpiece, a climbing paradise, and a natural floodplain the size of New York City.

This unique aerial voyage across Norway reveals the world's longest deep-sea cable, a 13th-century church restoration, and a breath-taking postal route.

This unique aerial voyage across Ireland reveals the dramatic Dublin Deer Rut, a record-breaking logistical challenge and the home of Gaelic Sport.