Several reported having some anxious moments over the weekend thanks to empty ATMs and merchants refusing credit cards, but the inconveniences eased as ATMs were replenished Monday. "We were finally able to get cash out of an ATM today, thankfully, since we are running out of euros we got in the U.S.," said Anthony Adornato, a college professor from Syracuse, New York, heading from Athens to the island of Kea with three other Americans.