www.worldtravelguide.net: covering all aspects, from cities to airports, cruise ports, ski & beach resorts, attractions
www.roughguides.com/destinations: fact files, food & drink, festivals, accomodations, sightseeing, and more.
travelguide.michelin.com: historical background, gastronomy, sightseeing, hotels, trip ideas for short breaks, etc.
www.dk.com/uk/categoryTravel: well-known for their highly visual guides.
www.fodors.com: destinations, hotels, news, trip ideas and much more.
www.lonelyplanet.com: travel guides and phrasebooks.
www.contexttravel.com: for the intelectually curious: tours are led by phd level scholars and other experts.
https://expertworldtravel.com/ blog and hundreds of resources.
https://www.arrivalguides.com/en
https://www.spottedbylocals.com/
whc.unesco.org/en/list: UNESCO World Heritage list.
https://www.businesstravelnews.com/businesstravelnews leading source of infomation serving the business travel and meetings market.