Nicknamed "Karri Knight," this Eucalyptus was planted in 1895 and stands at 72 meters.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

This historic streetcar system has been running since the 19th-century.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A deer-headed statue that brings together a 12th-century legend and big wave surfing.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

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

A museum dedicated to one of Portugal's most celebrated writers.

A memorial dedicated to those who lost their lives working in what is now a massive tourist attraction.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

A fearsome dragon clings to a corner of Munich's city hall.

The footprint of a frustrated devil in Munich's Cathedral.

A slice of central Asia in the middle of Berlin.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Historic medieval fortified city in southwest France.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

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

Home of the Large Hadron Collider and the birthplace of the World Wide Web.

In one of the world's smallest countries, a royal's personal winery is open to the public.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

It's always summer at the beach inside this former airship hangar.