San Francisco's iconic cable cars are a singular experience with a long history in the City by the Bay.

The country's capital city, Oslo, has some elements of a large cosmopolitan hub but other parts can feel just like a local fisherman's town.

Fisherman's Wharf is the most popular attraction in San Francisco. Always busy, but well worth a visit, especially on a sunny day.

I used to bring all kinds of pens - usually they exploded their ink into my bag or onto my lap halfway through the flight. I finally found a better pen.