IF classic American motor vehicles is your thing, zoom over to Knebworth House on Sunday between 10am and 5pm.

For the estate will again play host to the Pre50 American Auto Club’s annual Rally of the Giants.

Hundreds of classic US cars will on show, from Cadillacs and Chevrolets to Buicks and Fords.

A spokeswoman said: “Car enthusiasts are guaranteed a fascinating and enjoyable day.”

There will also be stalls selling memorabilia and clothing from the 40s, 50s and 60s.

Admission is �8, to include the gardens, Dinosaur Trail and Fort Knebworth children’s playground.

Entrance to the house is extra.