Clifton Rocks – Bristol’s underground funicular railway

Deep under the streets of Bristol lies an abandoned underground railway that served a secret purpose in WW2 and is only now starting to occasionally open its doors to curious visitors.

The world’s second oldest underground railway?

London Underground is famously the world’s oldest underground railway – but which one came second? Well, that accolade goes to the Tünel, in Turkey’s Istanbul. It is also arguably the world’s shortest underground railway, being just 571 meters in length…