The world's most active stratovolcano is almost always erupting.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Hidden beneath a restaurant, underground tunnels tell the story of Malta’s tragic role in World War II.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

World's strongest whirlpool.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

Tel Aviv's popular neighborhood went though endless waves of transformation.

Dozens of elegant ceramic tiles decorate these ancient walls, each displaying the Lord's Prayer in a different language.

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

This ancient tomb in the West Bank is a holy site for Jews, Muslims, and Christians alike.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.

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

An Art Nouveau building covered in animal gargoyles and grotesques.

When you've got to go, you've got to go.

The deepest metro station in the world.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

340-foot statue built to honour the Heroes of the Soviet Union.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."