To combat crowds at the popular Laurel Falls trail, Great Smoky Mountains National Park is establishing a timed reservation system and parking fees. | Frommer's

G Adventures now restricts many tours to vaccinated travelers. | Frommer's

Do you need a vaccine in Las Vegas' casinos? That depends on where you're standing, even in the same building. | Frommer's

A disused electric station on the lip of Niagara Falls reopens as the region's most powerful new attraction.

A guy in Italy got a tattoo of the QR code from his "digital green pass" used for entry to restaurants and other public places. | Frommer's

A large owner of hotels is experimenting with charging guests extra for nearly every amenity on property. | Frommer's

The Centers for Disease Control warnings now affect a substantial segment of American cruise passengers. | Frommer's

Hawaii's governor warns tourists to stay away from the island state until at least October. | Frommer's

Arctic by Claudia Martin, published by Amber Books Ltd, reveals the stunning landscapes and hearty wildlife of one of the earth's most fascinating—and endangered—regions.

Venice plans to add turnstiles at its historic core and set a maximum number of daily visitors. | Frommer's