| In case you missed it this week: What the CDC says about masking indoors again in big cities; how to preserve your travel memories; and what to know about traveling across the pond. | (iStock/Washington Post illustration) Where should you wear a mask when traveling? What the CDC says about 14 top U.S. cities.New federal guidelines recommend masks indoors in many popular summer cities — but local rules will vary. | (iStock/Washington Post illustration) Everything you need to know about traveling to the U.K.The U.K. is welcoming back American travelers. Here's advice from experts there on planning your visit. | (Natalie Compton/The Washington Post) I'm writing travel journals again after a long hiatus. This is how you can make one, too.Memories are fleeting, but a journal can be forever if you do it right. Here's how. | (iStock/Washington Post illustration) Frontier flight attendants duct-taped a man after an alleged assault. They were put on leave.The airline said the flight attendants were relieved of flying while it investigates the incident. | More from The Washington Post | (Shutterstock) Iceland's new driving route explores the remote northDriving the Vestfjardaleidin, a new 590-mile driving route through Iceland's least-visited region. | Explore BTW's guidesThere's more to see | (Rachel Woolf for The Washington Post) | Travel has returned, and we are updating our City Guides to nearly 70 cities around the world so you can plan your dream trip. This week, our featured guide is to Denver. | (Debra Bruno) | What drew artists, writers and presidents to New York's Hudson Valley? The region is rich in timeless scenery and American history. There are all kinds of places to go and things to do, and more have opened up or expanded: new restaurants, well-marked hiking trails, river cruises, art galleries and museums that celebrate the Hudson River School painters. Read more, including when to go and how to get there, here. | |