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

The world's oldest bookshop still in operation.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This single-track road rewards brave drivers with stunning Scottish scenery.

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.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

This snug medieval lane is one of the narrowest streets in the world.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

Romania's triumphal arch looks out over Bucharest.

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

The largest wax museum in the southern hemisphere features a grizzly chamber of horrors.

A giant Australian fruit and tropical farm.

Giant fruit signaling the entrance to a tropical paradise.

Roadside display for a popular fruit and vegetable stand.

One of the first big sculptures anywhere in Australia.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.