5 castles in the UK you can tour virtually for a positively aristocratic 'vacation' from your couch

· Many of the UK's most famous castles can be toured virtually.
· Virtual "vacations" are on the rise amid travel restrictions due to the coronavirus.
· There are outright bans or strict rules in place for visiting some countries, including many in Europe.
· US citizens have to quarantine for 14 days after arriving in the...