If you’ve been jetting around the world and haven’t had time to check in on PeterGreenberg.com every day (we forgive you), this post should help catch you up on what you’ve missed.

After all, the world moves fast, and the world of travel often moves even faster …

A swine flu outbreak on board an Australian ship … a boy who fell overboard in Florida … port stops in Mexico resuming … there’s a lot going on in the cruise biz!

In Cruise Travel News Roundup we give you all the details of the above stories, plus a report on one man’s plan to operate a “bikini” cruise.

After being beaten down by the swine flu epidemic, Mexico is fighting back. In Mexico Tourism Uses Deep Discounts to Lure Back Travelers we tell you not only about the travel deals that abound, but we fill you in on Mexico’s snazzy new advertising campaign and the latest statistics regarding the H1N1 virus.

Speaking of Mexico, Peter was there last weekend broadcasting his radio show, and we’re happy to report that he did not catch the dreaded swine flu. In Who’s Afraid of Swine Flu: The Travel Detective in Mexico, Peter shares some common sense advice about traveling during an epidemic, and he also talks about the crash of that commuter plane in Buffalo plus a hotel in California where you literally only pay for what you use.

Dr. Beach has done it again! His eagerly anticipated list of 2009’s best beaches came out this morning, and one Hawaiian beach beat them all. See the entire list in Hanalei Bay Tops Dr. Beach’s Annual Best Beaches USA List.

The Luminato Festival, the largest multi-disciplinary arts festival in North America, will run June 5-14 in Toronto. More than 100 events feature visual artists, dance, music, and food-from street performances to high-end curated shows. And best of all, most events are free! For more information about the festival, click here.

If you want to get the most out of your cruise, there are three people that it pays to get to know real well. In A Cruise Veteran on Three Shipmates Worth Knowing columnist Robert W. Bone talks to a captain, a cruise director and a hotel manager about their careers, and what life is like “behind the scenes” of a cruise ship.

Taking a trip Down Under often seems impractical for Americans. It’s tough to get enough vacation time, and trans-Pacific tickets can be pricey. But the latter part is not necessarily true anymore. In Budget Travelers Rejoice: Competition Makes Australian Airfares Cheaper Than Ever Amanda Pressner offers a roundup of some surprisingly wallet-friendly routes to Oz.

Amanda also has the first of several reports from Australia, where she is currently exploring Vivid Sydney, the three-week music and light festival that is transforming the city’s harbor into a living art canvas. Read more in Destination Sydney: Getting Vivid With It.

In her final two dispatches from the Middle East, Karen Elowitt takes a peek at some of the more over-the-top experiences in Dubai, and is mesmerized by the simple, stark rhythms of life in the Gulf nation of Oman. Read more in Dispatch from Dubai, Part Four: A Peek into the Lavish Lifestyle, and Dispatch from Dubai Part Five: Beyond the Borders in Oman.

Did you know that there are more than 250,000 rivers in the United States alone? And there are almost as many ways to enjoy them. In American River Travel Courtney Crowder offers some cool and adventurous ways to experience five of America’s favorite waterways.

So many dude ranches, so little time. Amie O’Shaughnessy, editor of family travel site Ciao Bambino!, shares Seven Reasons to Choose a Family Ranch Vacation, and some of her top picks for summer travelers.

Peter had a great time broadcasting his radio show from the Riviera Maya in Mexico last weekend. To help you have the best experience possible when you visit, we’ve got some insider secrets on cool things to see and do in Ask the Locals: Riviera Maya, Mexico.

An airline offering $9 fares … a fast-approaching deadline for new passport rules … an airline dedicated entirely to pets … that’s just a smattering of what’s going on in the airline industry this week. In Airline Roundup: Southwest Pets and $9 Fares we give you details on these stories and more.

If you’re the kind of person who prefers some history with their hotel stay, why not check into a hotel that that embraces its past? In Historic Hotels: Unusual Stays with a Unique Past Dara Bramson takes a closer look at several re-purposed hotels that pay homage to their previous existence.

In Destination Sydney: Let There be Light, part three of Amanda Pressner’s series of dispatches from Down Under, she shares her impression of the the city as it is transformed into a canvas for stunning displays of light and music during the Vivid Sydney festival.

Read roundups from previous weeks here.