Https://world-heritage.mapspot.co/ - list of world heritage sites. Source: almost 2 years ago

Hey! I've just arrived in Bangkok, also a first time backpacker from the UK (Midlands) who's been waiting for two years to do this trip and who is ALSO 25! I didn't do any research on the neighbouring countries prior to arriving in Thailand and boy, I wish I had. So you can't actually travel into Laos, Vietnam, Cambodia, Indonesia etc etc, well, many countries at all at the moment without a 14 day isolation each... Source: over 2 years ago

Has anyone compiled a rolling list of Group B countries that they care to share? I had been trying to plan a quest to Hong Kong by way of a Group B country by using a combination of travelbans.org, airheart.com, and rome2rio.com, maybe a handful of other sites as well, but this is proving time consuming and in vain. If none exists, I'm happy to help create a spreadsheet if anyone wants to work together on it. Source: over 2 years ago

A better site that rolls all of these up is https://travelbans.org, it's hard to read but it's up-to-date and doesn't require you to chase down a bunch of random sites. Source: over 2 years ago

Have a look at https://travelbans.org, this is what I use to figure out what to do when crossing borders - its UI is pretty Horrendous. For the UK it just says, "Fill out a form at https://www.gov.uk/provide-journey-contact-details-before-travel-uk" right now. Source: almost 3 years ago

A few places: here, here (scroll to bottom), and any countries official goverment website should help. Source: about 3 years ago