The last surviving submarine from a strange chapter of Finnish history.

One of the best-preserved medieval streets in Europe.

This tomb of a Sufi mystic is a remnant of Ottoman rule in Hungary.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

Covering 13 acres and hosting 3,000 shops, this is one of Africa's biggest urban markets.

The gardens and chambers of this Moorish citadel conjure memories of the Alhambra.

Does this statue depict Thor, or Jesus Christ? Nobody knows.

Described by William Wordsworth as a "World of Wonder."

Macbeth's infamous "Great Birnam Wood."

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

The metal leaves on this tree are engraved with the names of Holocaust victims.

Royal burial place of the kings of ancient Britain.

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

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

This town hosts 170 pieces of public art, including giant irises, flying saucers, and, famously, hippos.

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

This restored eighth-century palace is a shining example of ancient Umayyad architecture.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

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

A refurbished locomotive from a bygone era in the middle of the Jordanian desert.

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

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