Keston Lodge is situated 2 miles from Louth with Lincoln, Market Rasen, Horncastle, Alford, Cadwell Park & Skegness all within easy reach, also several nature reserves nearby

Louth
 A traditional market town nestling on the eastern edge of the Lincolnshire Wolds, and is known as the 'capital of the Wolds'
St James' Church, built in the 15th century, is the tallest parish church in England with a spire, it stands 295 feet and can be seen for miles around

http://www.louth.org/index.htm

Lincoln
The county town is a fantastic city to visit, with it's heritage all around.  William the Conqueror's castle dates from 1068, the medieval ramparts give magnificent views over the city.
There are walking tours of the city as well as guided ghost walks, boat trips and parks and gardens to relax in

http://www.visitlincolnshire.com

Market Rasen
Another traditional, small market town which is mainly Victorian, the centenary chapel being among the most impressive. 
The racecourse is of course the thing which it is famous for, it is a renowned National Hunt Course with jump racing every month, race evenings and special events throughout the year
http://www.marketrasenraces.co.uk

Cadwell Park

motor racing events all year round, 6 miles away

http://www.motorsportvision.co.uk/cadwell-park/index.asp