You'll earn 6% back at U.S. supermarkets on up to $6,000 a year in spending, plus 6% back on select U.S. streaming services and 3% back at U.S. gas stations and eligible transit. Terms apply. The ...

Blue Grotto in Malta, reachable only by a specially licensed boat, is said to be one of the most spectacular natural sights in the world. The oceanic sea cavern on the island's south coast is ...