Just outside of Jordan's capital lies an ancient castle and intriguing caves dating back to the Copper Age.

An oasis of shade and color amidst the bustle of the old city.

A bathhouse from the second Islamic Caliphate decorated with frescoes of constellations, pleasure gardens, and naked ladies.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

One man's labor of love, Amman's oldest home has become a time capsule with its doors permanently open to artists and guests.

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

This 50-foot-deep sinkhole created in the 14th century is home to rare plants and fungi.

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

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

Abandoned Roman Catholic chapel abused by Satanists before being restored.

Dynastic Home of the De Piro Family.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

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

A centuries-old forgotten underworld lies beneath Malta.

The eclectic seaside sanctuary caters to a rather fowl crowd.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

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

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.

The mouldering manses of wealthy colonials still pock the streets of a Curaçao neighborhood.