Brightly painted boulders scattered throughout the Sinai Desert.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

A massive work of modern art that appears to be a crop circle in the middle of the desert.

An endless sea of white conical domes.

Ozymandias’ time-keeping temple.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

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

Poseidon? No one seems to know.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Temple complex that once housed the famous statue of Nike.

This remarkable cave was discovered after a shepherd watched bees enter and exit through a small fissure.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

Ancient Greek oracle of the dead.

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

Giant marble phalluses on the sacred island of antiquity.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Monasteries on rock pillars, once accessible only by frayed ropes.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.