Belize Forum - expat-centric forum for Belize with hotel, destination and in-country travel advice.
Bonaire Talk - a very active, thorough forum for Bonaire.
BostonZest – Boston for adults.
Chardhambooking.com offers Pilgrimage Tour Packages and Chardham Yatra Tour Packages to all Indian Pilgrimages and Temples of India.
Royal Blue Holidays – deals for Amarnath Yatra 2012 and Vaisho Devi Darshan by helicopter
Loco Gringo – Yucatan hotels, rentals and destination guide including aerial photography of every town.
Santafean - Santa Fe food, accommodations, sights and events
Sawadee - guide to Thailand
St. Barth Online – villas, hotels, sights, restaurants and more for the most chic island in the Caribbean.
Smart Travel Asia – guide to Asia
Yucatan Today – another great site for the Yucatan peninsula of Mexico.
Chowhound - find the best places to eat, anywhere in the world. Some locales more thorough than others.
Good Food Mexico City - a thorough site for one of the most exciting culinary destinations in the world.
Rick Bayless - Chicago restauranteur specializing in Mexican food. His site is full of recipes, Mexico-specific travel info and worldwide restaurants.
New York City
Hopstop – plan best mass transit routes, find service advisories, estimate cab costs for NYC and other major cities.
New York Magazine online
Serious Eats – one of NYC’s best food sites.
David Lebovitz - a very humorous site from the famous Parisian food blogger and pastry chef, with recipes.
Hungry for Paris – Alec Lobrano’s site for Paris restaurants
I’m not a Francophile, but… - says it all
Paris-Marais – a guide to my favorite part of Paris
Patricia Wells - restaurants, cooking classes in Paris+ from the author of “The Food Lover’s Guide to France.”
Solitary Wanderer - Tales and tips of a solo traveler in the Philippines and beyond
Jim Cline Photo Tours – well organized, small group photo tours to some of the most photogenic destinations in the world.
Mexican Home Cooking School – had this gringa turning out amazing mole’, tamales and salsas in under 6 days.
Adorama – cameras, electronics, and more. Where the pros shop in NYC. Lowest prices due to high volume.
Scuba Magazine – a great resource for underwater photographers.
Oanda – my go-to currency site. Always know what you’re spending with their currency cheat sheet or mobile app.
World Nomads – travel insurance
Trip Research & Planning
Bohemian Trails – online travel magazine focusing on off-the-beaten-track locations, underground art, music and fashion.
BootsNall - backpacker-centric. Great gear guides and info on destinations backpackers favor.
GetHotelRates – checks all the hotel sites to give you the best hotel rates for US, Canada, Europe, Asia and beyond.
Lonely Planet - a very thorough site for do it yourself travelers. Active, but snarky forum.
Tripadvisor – best site to search for hotels
Tripadvisor forums – great way to communicate with destination experts and travelers, sorted by location. Level of activity varies by forum.
My British friend Mark’s clear instructions for Using your Iphone in the US