Epidaurus Festival (until August 27)
Ancient Greek theatre is performed in the 2,500-year-old amphitheatre, including a Medea by Peter Stein.
Details: hellenicfestival.gr.
How much: €20-€50.
The Aztec Empire, Bilbao (until September 18)
If you missed the Aztecs when they came to the Royal Academy, London, then fear not. The largest collection of Aztec culture ever assembled fills 11 large galleries of the Guggenheim.
Details: Guggenheim-bilbao.es.
How much: €10.
Wildebeest migration, Kenya (until October)
Not even the Whatsonwhen can predict when the wildebeest will decide to migrate from the the Serengeti to the Masai Mara National Reserve, but visit between July and August and the chances are you'll see a dusty, snorting mass of wildebeest arriving for the greener grass.
Details: magicalkenya.com.
Einstein Year, Berlin (until October 31)
Exhibitions, art installations, talks and guided walks commemorate the 100th anniversary of Albert Einstein's theory of relativity.
Details: einsteinjahr.de.
How much: Many events are free, others up to €10.
Havana Carnival (July 15-August 15)
Expect music, dancing, processions, parades, skimpy outfits, satirical puppets, fireworks, Havana Club rum and lots of fun.
Details: cuba-travel.cu.
How much: Free.
Edinburgh Fringe Festival (August 7-29)
Some1,500 productions of comedy, drama and the downright bizarre. Most only last an hour, so you can pack in several each day.
Details: edfringe.com.
How much: Free-£15 a show.
Edinburgh International Festival (August 14-September 3)
Dance, classical music, opera and theatre.
Where: Usher Hall, Edinburgh Festival Theatre, Royal Lyceum Theatre, The Queen's Hall, King's Theatre.
Details: eif.co.uk.
How much: £7.50-£58.
Siena Palio, Italy (August 16)
Every district of the town puts up a horse which is ridden at breakneck speed (and bareback) three times round the Piazza del Campo.
Details: comune.siena.it.
How much: Free.
Kids Week in the West End, London (August 19-September 2)
Under 16s get free theatre tickets and can also take a peek backstage to meet the stars, learn to dance or slap on stage make-up.
Details: kidsweek.co.uk.
How much: For every full price adult Kids Week ticket, there's a free child ticket -with up to a further two children's tickets at half price.
TDK Cross Central Festival, London (August 27-28)
Goldfrapp headlines on the Saturday night along with the Magic Numbers, the Bees and the Others, while Grace Jones takes to the stage on Sunday.
Where: Kings Cross Freight Depot, York Way.
Details: tdkcrosscentral.co.uk.
How much: £30 per day, £50 weekend ticket.
Toronto Film Festival, Canada (September 8-17)
Over 300 screenings in 10 days including the North American premiere of David Cronenberg's A History Of Violence, and the world premiere of Deepa Mehta's Water.
Details: e.bell.ca/filmfest.
How much: Free-$15.
Festival of the Dead, Luang Prabang, Laos (September 15-18)
Amazing gold-and-red boats (with prows carved into snake-heads) are raced on the Mekong river by crews of up to 40 monks from rival temples.
Details: visit-laos.com.
How much: Free to watch.
Onam Festival, India (September 15)
Kerala is transformed with colourful processions, feasting, boat races, singing and dancing.
Where: Best in Trichur (elephant parades and fireworks), Cheruthuruthy (Kathakali dancing), Aranmulai and Kottayam (boat races), Trivandrum (temple stories), Thrissur (tiger dancing).
Details: keralatourism.org.
How much: Free.
White Night, Rome (September 17)
Twenty-two cinemas, 28 theatres, 24 museums, 51 art galleries and nine culture institutes stay open all night. All offer free entry and music, readings or installations. The buses and metro run all night, also free.
Details: lanottebianca.it.
