The 300-year-old underground attraction hidden deep in a UK city that’s set to relaunch this year

Goldney Grotto in Bristol is set to reopen its doors. The attraction is said to be "one of the finest surviving examples of an 18th century garden grotto" in Britain.

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The Grade I listed building was built in 1739 and has its own shell room and running water.

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The walls of the grotto are lined with sea shells collected from all over the world, including the Caribbean and Africa.

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It is made up of several chambers, each divided by pillars also lined with shells, and features artificial stalactites made from Bath stone.

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Inside the shell room sits a statue of a River God, who overlooks a rock pool filled with giant clams.

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Visiting the grotto is part of a tour of Goldney Gardens, found at Goldney Hall, a mansion built in 1724 that is now part of Bristol University's student accommodation.

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As well as the grotto, there's a statue of Greek hero Hercules, an orangery, a Gothic tower, an ornamental canal and a flag garden.

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