It was an especially brutal winter during Canada's Klondike Gold Rush.

Jack London didn't strike gold, but he did find what he needed to write the Call of the

wild. He was really the first kind of celebrity author that they'd ever been that became rich and famous.

Richard Grant follows the frozen footsteps of Jack London in Dawson City in the Yukon.

Dave Seminara travels the world in search of curiosities and to meet unusual people worth writing home about.

And I thought this is really interesting, a whole village full of witches and

wizards. I gotta see this.

Portugal's curvy streets are often accented by colourful ceramic tiles, but there's a new art form creating a buzz in Lisbon.

Ugly dilapidated gray, dark buildings transformed into beautiful murals.

Guides from Lisbon tell us what to look for in the city's architecture.

Plus we get a close-up look at Mona Lisa at the Louvre in Paris.

It's all just ahead on Travel with Rick Steeves. Stay with us.

Richard Grant explores Dawson City in the Yukon in the winter.

He follows the trail of author Jack London when he tried his luck in the Klondike more than

120 years ago, and travel writer Dave Seminar tells us about the unusual people he met

while exploring the margins of the Americas.

That's coming up in just a bit.

Let's start today's travel with Rick Steeves in Portugal.

The architecture and the art of Portugal helps to tell the story of that small country

squeezed between Spain and the Atlantic Ocean.

You can wander through museums

showcasing classical and romantic paintings, two styles with the largest

...