This is the 60th summer that the Dartington Hall Estate in Devon is holding music classes at the Dartington International Summer School (Dartington Hall,Totnes, Devon, England, TQ9 6EN; phone +44 1803 847077).

Five groups of week-long classes, July 27-Aug. 31, 2013, each have a theme, with courses suitable for beginners, advanced musicians and children.

Including a week’s lodging in the estate, meals, courses and concerts, the rates (per person per night) range from £600 ($927...

Sudeley Castle (Winchcombe, Glouces­tershire, England, GL54 5JD; phone 01242 602308) offers special tours.

The 75-minute guided “Garden Tour” is offered at 11 a.m. and 1 p.m. the first three Fridays and Saturdays monthly April through October. £18 (near $27) includes general admission.

The 75-minute “Gardening for Wildlife” tour, offered at 3 p.m. on six dates each in May and September, focuses on the hundreds of wildlife species on the castle grounds and how the garden...

Free guided walking tours are now being offered in Barcelona by Sandemans New Europe (phone +49 0 30 510 500 30). Every day, rain or shine, 3-hour tours with up to, perhaps, 25 people depart at 11 a.m. and 2 p.m. from the Plaça de l’Àngel, visiting the Gothic Quarter, Barcelona Cathedral, the historic harbor and other sights. 

Advance booking is recommended but not required. Guides accept gratuities from tour members; the average is €5 (near $7) per person. Guides must pay...