The beloved dining spot stands at the cross-section of Hollywood and the Old West.

A treasure hunter's tiny bar, harboring celebrities since 1959.

Grab a latte at the birthplace of modern American skateboarding.

This "volcanic all-day restaurant" is right on the beach.

These caves secretly held national treasures during World War II.

A Byzantine-era church hidden in a wooded area below the Acropolis.

Legend says this sacred tree was a gift from goddess Athena.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

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

The city-sized home palace of one of ancient Egypt's most powerful rulers gives us a rare look into the lives of the epoch's rulers.

Located near Cairo's El Korba district, the abandoned mansion continues to inspire mystery and rumor throughout the city.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

A network of ancient Egyptian tombs built into the cliff face along the Nile.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

There are ongoing efforts to preserve this village, the best known work of Egyptian architect Hasan Fathy.

Indents in the pavement are all that remain from a grisly death machine in Paris.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

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

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.