Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

The short hike is worth the stunning views and crystal blue waters of a secluded beach.

The world's brightest bioluminescent bay.

Archaeological sites and great food inside the island's largest mangrove forest.

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.