What's the most effective way to travel from Barcelona to St Petersburg?
To stand in the cell where Leon Trotsky was incarcerated is a powerful reminder of the troubled history of the former Soviet Union.
From the medieval to the avant-garde - feast your eyes on St Petersburg, whatever your budget.
Our arrival in St Petersburg gets off to a fine start, speeds towards town at 160km/h.
Veteran cruiser Peter Bentley is impressed by the cultural sights of St Petersburg.
Louise Goldsbury is bowled over by the charms of the Baltic.
Cruise lines are recognising the value of longer stays in port, writes Louise Goldsbury.
Wherever Kamahl goes, there's a good cuppa nearby.