A marketing professor at the University of California, Berkeley, was "murdered in cold blood" while visiting his children in Greece, according to his family.

For the second day in a row, officials are turning tourists away from the Acropolis during the hottest hours of the day. ABC News’ Maggie Rulli reports.

Authorities have closed the Acropolis for several hours Tuesday due to high temperatures

Authorities in Greece have imposed mandatory work breaks in areas where temperatures are expected to exceed 104 degrees Fahrenheit

A fast-moving wildfire whipped by gale-force winds burned through the night and into Thursday on Greece’s southern island of Crete, prompting the evacuation of more than 1,500 people from hotels and homes

The USGS said the epicenter was located 9 miles south of Fry, Greece.

The blaze has killed at least one person and forced residents of Athens suburbs out of their homes. The wildfire, which has been raging since Sunday, is the largest the country has seen this year.

More than 30,000 people have left their homes in the Greek capital.

An American tourist was found dead Sunday on a beach on the Greek Island of Mathraki.

The search continues for Albert Calibet, who went missing last week on a Greek island. Authorities are also investigating the death of a different American tourist found dead on a beach Sunday.

The family of American tourist Albert Calibet speaks out as the retired sheriff's deputy was last seen on a solo hike on a Greek island.

Greek authorities are on the lookout for an American tourist who went missing from the island of Mathraki this week.

A retired Los Angeles County deputy, Albert Calibet, has been reported missing while on vacation in Greece, police said.

A search and rescue operation is underway for Albert Calibet, who was reported missing Tuesday after failing to return from a hike on a Greek island.

An unprecedentedly early-in-the-season heatwave in Greece has prompted officials to shutter schools and limit tourist attraction hours.

The bodies of 18 people were found amid the wreckage left by wildfires, the country's fire service said on Tuesday.

At least 79 people drowned and over 100 people were rescued from the wreck, officials said.

Anger over a same-track collision between two trains in Greece that killed nearly 60, erupted in a massive protest Sunday in Athens and led to clashes with police.

Protests in Athens over that deadly train crash descends into chaos and violence, as the station manager accused of causing the disaster currently behind bars tonight.

A station manager faces manslaughter charges following a deadly high-speed train collision that killed dozens of people in Greece, his attorney said Thursday.

At least 57 people were killed and dozens more injured in a head-on collision between a freight train and a passenger train in Greece late Tuesday.

Greece’s transportation minister is resigning, saying the rail system was not up to 21st century standards.

The death toll has climbed to at least 46 in Greece where two trains were on the same track before the head-on collision.

Several top officials have resigned after a packed passenger train traveling more than 100 miles per hour slammed head on with a freight train.

A freight train and a passenger train crashed and derailed, authorities said.

Dozens of people were killed and more than 80 injured when a passenger train collided with a freight train in northern Greece late Tuesday.

Backtracking, Boris Johnson said the British Museum needs to decide.

Security footage recorded the moment a powerful earthquake struck the island of Crete.

Food delivery drivers in Athens protested working conditions amid backlash against a delivery company and its contracts.

Firefighters were still struggling to extinguish the blazes on Evia island, one of the hardest-hit areas in Greece, which has been seeing wildfires for nearly 2 weeks.

Greece unveiled a new lighting system for the iconic Acropolis.

Student protesters were targeted with tear gas during a rally outside the parliament building in Athens.

One official has called it a "humanitarian catastrophe."

Abandoned fishing nets are known as "ghost nets" and often turn into death traps for marine life.

Timelapse footage shows a full moon rising Sunday morning over Acropolis Hill in Athens, Greece.

An earthquake hit Athens, Greece. It was 5.3 magnitude.

A dispute between Greece and the Republic of Macedonia over the latter's name has gone on for nearly three decades.

A large wildfire north of Athens is threatening homes as it sweeps through pine forest for a second day, with high winds limiting the ability to contain the blaze.

An American tourist was beaten to death on Friday while visiting an island in Greece.

ABC News' Sarah Hucal takes us on a tour inside Rhodes, the longest inhabited medieval walled city in Europe.