OAKWORTH, West Riding
Holden Hall Portico SE 034 389

Only the portico remain of a mansion built for Sir Isaac Holden (1807-97), inventor and mill owner. The portico is now one of the features, along with grottoes, in a public park.
Rustic Summerhouse SE 034 389

The rustic summerhouse is in what was Sir Isaac Holden's garden.
Grottoes SE 034 389

The grottoes, in what was Sir Isaac Holden's Garden, were constructed between 1864 and 1874 by the Paris firm of Aucante, using iron-reinforced concrete known as the 'Systeme Monier'.