How much is an bottle of old wine worth? Peter F May explains what factors affect an old bottle's worth.

Okanagan Valley in western Canada is home to around 200 wineries and some of the best of them are located on an Indian reservation. Peter F May visits the North America's only winery owned by aboriginal peoples.

I am a devotee of ice-wine. I love its unctuous sweetness while appreciating the difficulty under which it is produced and that because of its expense it must be a special occasion when I am drinking it. So how could I miss an ice-wine vineyard tour and tasting? Peter F May visits Inniskillin's Oka

Norton is a true American grape variety because it originated in America rather than being brought from Europe. And, rarely for a native American grape variety, it makes an excellent wine, says Peter F May

Glühwein is a favourite in winter, but as the 'wein' part of its name suggests, wine is its major ingredient. Peter F May shows how to make an version as close a possible to the real thing, without using any alcohol.

New Clairvaux Vineyards in Vina, California, is owned by the Abbey of New Clairvaux which is the first Cistercian Monastery in the Americas to grow, vinify and bottle its own wine. Peter F May visited and tasted their wines.

When Peter F May went to taste wines at California's New Clairvaux Vineyards he had a surprise. Accidentally joining the wrong tour he was amazed to find an 800 year old monastery Chapter House.

I have had an unusually large number of ‘corked’ wines in the past few weeks. But what does 'corked' mean? Peter F May explains.

The Munson Memorial Vineyard in Denison, Texas, commemorates the Texan who saved the world's wines. Peter F May travels to Denison and gets a personal guided tour of the vineyard.

Mourvedre is also known as Mataro and it is a grape few wine drinkers had ever heard of but now it is becoming fashionable. Peter F May considers the variety known by the French as the 'Dog-Strangler'.