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Come and explore Tattershall Castle, a building that has survived conflict, decay and restoration. Learn about the 800 years of history that helped make this extraordinary site a place of architectural importance, whilst uncovering its many stories.

Architecture and design abound in this elegant Grade 1 Listed mediaeval church, surrounded by a graveyard managed for nature and famed for its display of Spring flowers.

Explore our Grade 11 listed buildings, including the church crypt, which is not normally open to the public but we are opening it for Heritage Open Days. Please note that access is restricted down steps to the crypt.

Discover who began the process of the building of College Hall, Cranwell. Who designed it and some early images of the interior.

Guided Walks south west from Grimsby Town Hall, through to People's Park area exploring the lasting impact that architects Farebrother, Scaping and Wells had on this part of town from mid 19th to early 20th centuries.

Interested in Family History, but don't know where to start? Hit a brick wall with current research?

An exhibition exploring the remarkable story of Grimsby Motor manufacturer, Lloyd Cars.

Explore Ayscoughfee Hall School’s history, from its transformation in 1920 to today. Visit to see how it has evolved and uncover the mystery of Boris, the school’s legendary friendly ghost!

Belton’s Community Festival is back! Taking place during our Heritage Open Weekend come and explore the best of the local community for free. With live music all day, the best of local crafts and producers on offer and a host of activities for all.

Built in 1484 by William of Wainfleet, founder of Magdalen College Oxford as a feeder School for the main College.

St James church, Freiston will be open for the weekend, 13th & 14th September, from 1000 to 1600. The old registers will be available to view, having been brought from Lincoln. The church was built over 900 years ago, so lots of history there.

A homely country house dated 1700 situated at the foot of the Lincolnshire Wolds. The gardens, Orchard gallery, second-hand bookshop are open. The house is open via limited timed timed tickets available on the day.

Explore the fantastic Beonna on Saturday 20th September! Hot & cold drinks available to purchase.

Saturday 13th September There will be a Victorian Blacksmith demonstration at Navigation House, with an authentic Victorian forge. Demonstrating how this worked so people can experience the glow of the ironwork in real life!

Open for the first time this year to the public, Grantham House is a treasure nestled within the heart of Grantham. Join us this Heritage Open Day for some special tours to learn more about this fascinating historic house in the heart of Grantham.

Discover Cleethorpes' charm from past to present with Bazaars, Brochures, Balconies, Bunting, Bathing, Beauty Queens, Buildings, Bed and Breakfasts, and more. Enjoy displays, free entertainment, and refreshments. Come explore our "B's"

Step back in time to 1906 and see how people lived in a building made of wood and tin

Join National Trust’s Nature Conservation Adviser, Carl Hawke, for a special Heritage Open Days walk, and explore Sandilands' journey from fairways to flourishing coastal landscape.

Find out about all the fantastic events taking place across North East Lincolnshire during HODs 2025!

Join us for Heritage Open Days at the church to explore its history and Anne Askewe's life. Gain a meaningful glimpse into these significant historical moments.

Visit The Wong Day Service and explore what our beautiful town has to offer from beautiful architecture to historic sites including a Roman Wall, Hangman's cottage, and St Mary's church which is dominated by three architectural styles.

Grimsby Town Hall Open Days Friday 19th & Saturday 20th September, visit the Time Trap Museum and discover Grimsby's past, see the Great Grimsby Family History display and find out about tracing your ancestors, as well as other displays.

An exhibition in the Doughty Gallery of artworks featuring local scenes accompanied by reflections from local people.

An exhibition in the Murial Barker Gallery of paper objects from the Grimsby Fishing Heritage Centre museum collection that represent stories from the Grimsby area, selected by volunteers working with the Dynamic Collections Project

Take a 'ride' back in time on a Manchester, Sheffield & Lincolnshire Railway train from Grimsby Town Station via Grimsby Docks Station to the Pier Station on the Royal Dock, finding out about the MS&L buildings on the way.

Take a tour around Blundell Park - taking in behind the scenes areas such as the changing rooms.

Step back in time and see how the village used to look. Learn about the different trades and people that worked and socialised in the village Searching for your ancestors? Come and look through our vast collections of BMD of Stickney and surrounding

Immerse yourself in a Recreation of life in the late medieval period.

A display of 13th – 14th century stained glass found in Bethlehem Street, Grimsby

Lincoln had an important Jewish community in Medieval times. Join this special guided tour.

Walk through our lovely 27 acre Victorian cemetery site, open seven days a week. This year we are opening our 1843 Gothic revival style Mausoleum (on Saturday 13th and Sunday 21st only) with its beautiful stained glass and an atmospheric interior.

This rarely opened Almshouse Chapel stands almost untouched by time since 1844

Gainsborough United Reformed Church dates from 1897 with strong links to John Robinson, Pastor to the Mayflower Pilgrims with an exhibition room dedicated to the history of the Pilgrims. The magnificent Foster & Andrews organ has heritage status.

The History and Architecture of St. Denis' Church A display and talk on the above.

Lade Bank Pumping Station built in 1937 with an old cooling system (updated in 2005). The architecture can be traced back to the 1800s when Lade Bank was used for canal boats. The Ruston and Hornsby diesel engines can't be found anywhere else (UK).

Immerse yourself in the rich history of Mannakin Hall, once the dining quarters for American soldiers during World War II. Today, it stands as a testament to art and history, housing over 15,000 mannequins that have graced TV sets and music videos.

Join us at Crowle Peatland Railway, where the history of peat extraction on Thorne & Crowle Moors comes alive. This free event celebrates our local heritage and will include engaging local history talks and exhibitions.

Join us for an afternoon of celebration at the magnificent Victorian Weelsby Hall in Grimsby.

Exhibition by artist Sarah Palmer of her research project Under the Shadow of the Water Tower that takes in the story of blow wells, the Great Grimsby Water Works and the Seven Hills of Grimsby.

Visit our rapidly evolving museum where you can operate TV cameras and lots of other vintage broadcasting equipment. Come aboard a working 1960s vintage outside broadcast truck. See our re-created TV repair shop and much more.

Grantham's overflow burial ground was used between 1812-1857. This is an evocative space & wildlife haven. Engage with the stories of former residents through their artistic headstones. Family historians will be on hand to help with queries.

The Carre family are often encountered in Sleaford eg. Grammer School and Almshouses

A series of 3 talks exploring the legacy of Charles Frederick Worth and his incredible effect on the fashion industry from the Victorian times up to the present day.

Visit Immingham Museum to celebrate the 200th anniversary of the birth of the railway, and the history of railways in our area.

Enjoy free entry to the eight sailed Heckington Windmill, as we take part in Open Heritage week.

Stamford Corn Exchange was constructed in 1859. A serious fire in 1926 gutted the building, this was then restored by the Corn Exchange Company. 1999 lease taken over by Corn Exchange Theatre Company and totally restored as a working theatre.

An opportunity to find out more about the fascinating architecture of this beautiful building, led by Dr Matthew Godfrey

Explore this superb example of a cemetery still having many features from its opening in1855. A home to many birds and animals and the site of some historic graves. Open 1000 until 1600 Sunday 14th September 2025 .

St Wulfram's has, according to Jenkins, England's finest steeple, majestic to behold. Visit the crypt, tower & chained library. Marvel at newly-conserved monuments & meet congregation members in this busy church. Bookstall & activities available.

The Old Grammar School was attended by Newton, Lord Burleigh, poet Colley Cibber & Albert Ball VC. Explore the building which dates from c1530 and see school memorabilia and the names of former boys carved into the window sills and jambs.