London Underground ghost stations - which ones are worth investigating?

So there's been a lot of talk online about the derelict and abandoned Underground stations - Aldwych, Down Street, British Museum, etc. - and I'm genuinely curious whether any of them are actual paranormal hotspots or whether it's just the idea of abandoned Victorian tunnels that makes people think they're haunted.

Some of these stations had deaths, accidents, bombing during WWII. The atmospheric conditions are certainly creepy - cold, damp, echoey. But is that actual paranormal activity or just an environment designed to make your nervous system go into overdrive?

Has anyone actually managed to do proper investigations in these places? And more importantly - what are the legal implications? I'd rather not get arrested for trespassing while trying to catch evidence of ghosts.

Good question about the legality. Most of the closed stations are technically accessible on official tours (Transport for London does heritage tours of some of them), which means you can document and investigate without breaking any laws. That's your best approach if you're serious about it.

As for paranormal activity - I've done the Aldwych tour and spent time there photographing. It's atmospheric as hell but I didn't register anything anomalous. Cold spots are just cold - it's underground, it's damp, it's naturally colder. The 'ghost stories' mostly come from one or two historical incidents that have been elaborated on by paranormal TV shows.

Aldwych's supposedly got activity from a woman in a wedding dress from some Victorian incident, but honestly that story has been retold so many times and embellished so much that I genuinely can't find an original source for it. This is the problem with London paranormal folklore - it all gets tangled up with urban legends.

Down Street's probably more genuinely haunted (air raid shelter during WWII, people died) but again, no solid evidence. Just atmosphere and stories.

which ones are worth investigating

- none of them, probably. The real paranormal hotspots are usually rural locations or places with documented traumatic events and ongoing activity. Derelict London Underground stations are just... derelict. The fact that they're atmospheric doesn't mean they're haunted.

If you do manage to get access on an official tour, bring audio recording equipment and thermal imaging if you can. The closed-off sections would be genuinely interesting to properly document - not because I think they're haunted necessarily, but because they're historical environments that haven't been properly investigated with modern techniques.

Aldwych gets the most attention but honestly Down Street is the one that intrigues me more from a psychic perspective - Churchill used it as a wartime bunker and that kind of intense human activity tends to leave serious residual energy imprinted in the stonework.

British Museum station is interesting too, given what's literally underneath the area. Ancient artefacts and ley line convergence in that part of central London - worth considering beyond just the ghost stories.

@AlekseiPhantom is right on the equipment front. I'd add an EMF meter specifically - the Underground's electrical infrastructure creates a lot of background noise so you'll want to log baseline readings carefully before attributing anything to paranormal sources.

The London Transport Museum runs occasional tours to some of these - legitimate access is genuinely worth pursuing rather than attempting anything dodgy.