De Havilland Aircraft Museum

The Watford Football Club Training Ground is the training ground and academy of the Premier League club Watford F.C. The centre is located on the University College London Union (UCLU) Shenley Sports grounds, in St Albans, Hertfordshire, situated between the Arsenal Training Centre and the de Havilland Aircraft Heritage Centre. The current Watford Training Ground was previously used by Arsenal F.C. until 1999 when they moved to their nearby own facilities.With an approximate area of 83,000 m², the centre is home to 4 full-size natural grass training pitches, 1 full-size artificial turf training pitch, 2 seven-a-side natural grass football pitches as well as a service centre with gymnasium, press rooms and medical facilities.

The Arsenal Training Centre, often referred to as its geographical location London Colney in Hertfordshire, is the training ground of Arsenal Football Club. It houses ten full-size pitches, an indoor facility and a medical and rehabilitation centre. Constructed after manager Arsène Wenger campaigned for Arsenal to replace its existing University College London groundshare site, it opened in October 1999 at a cost of £10 million. The training centre was financed by the transfer of Nicolas Anelka to Real Madrid. As well as accommodating Arsenal's first team and youth teams, the centre from 2003 to 2012 acted as the training base for the England national football team before home internationals and friendlies. It has attracted criticism from local residents over environmental and catchment issues.

Shenley Hall is a Grade II listed English country house at Shenley in Hertfordshire.

Tyttenhanger House is a 17th-century country mansion, now converted into commercial offices, at Tyttenhanger, near St Albans, Hertfordshire. It is a Grade I listed building.

Watling Chase Community Forest is an area of 72 square miles located in north London and south Hertfordshire around the towns of Potters Bar, Radlett, Borehamwood and Barnet. It includes Aldenham Country Park, Scratchwood, Moat Mount Open Space and the Watling Chase Timberland Trail, a waymarked walk of 16 kilometres.It was set up in 1991 and is one of twelve community forests in England set up to regenerate the countryside in and around urban areas. They are sponsored by Natural England and the Forestry Commission which work with local authorities and voluntary bodies to manage them.

Shenley is a village and civil parish in Hertfordshire, England, between Barnet and St Albans. The village is located 14 miles from Central London. As of 2021, the population of the parish was 5,390; however, the parish stretches far beyond the village itself; it is the largest parish in Hertsmere and is very rural, including hamlets and farming settlements such as Dancers Hill, Green Street, Kitts End, Ridge, Saffron Green, Shenleybury, and the largest other settlement, South Mimms.

The Watling Chase Timberland Trail is a 10.5 mile footpath in the Watling Chase Community Forest in Hertfordshire. It starts at Elstree & Borehamwood railway station, where it links with the London Loop, and goes mainly through farmland and parks. It passes through Shenley, London Colney and Colney Heath, finishing in Smallford near St Albans, where it links with the Alban Way.

Redwell Wood is a 52.8-hectare (130-acre) biological Site of Special Scientific Interest near South Mimms in Hertfordshire. The local planning authority is Welwyn Hatfield District Council.The site has ancient and secondary woodland, heath and scrub. The woodland canopy is dominated by pedunculate oak. Ground flora include bluebells and enchanter’s-nightshade, while heathland species include heather and the rare creeping willow.There is access from Blackhorse Lane.

Shenley Hospital was a psychiatric hospital at Shenley in Hertfordshire. It had two sister institutions, Harperbury Hospital and Napsbury Hospital, within a few miles of its location.

Colney Heath is a large village in Hertfordshire, England. The village became a civil parish in 1947 when the St. Peter Rural parish was split to form Colney Heath and London Colney. There is a converted windmill in the village. The civil parish also includes the settlements of Smallford and Sleapshyde.

Colney Heath Local Nature Reserve is a 22.5 hectare Local Nature Reserve in Colney Heath in Hertfordshire. It is owned and managed by Colney Heath Parish Council. The site was acquired in the 1950s and 1960s, and it is a Hertfordshire Heritage Site.The site is acid grassland, which is unusual in Hertfordshire, and the River Colne runs through it. The heath is managed to maintain the grassland and the diversity of plant species along the river. A London coal-tax post is located on the north side of the river in the north-east corner of the site.There is access from the High Street and Church Lane.

Colney Heath Mill is a Grade II listed smock mill at Colney Heath, Hertfordshire, England which has been converted to residential accommodation.