The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

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

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

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

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

Northern Ireland's Brobdingnagian stepping stones.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

The modern birthplace of Irish freedom.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

Hear the quietest sound from across the dome.

A 1:20 scale piece of the Netherlands commissioned by a queen lets visitors take a stroll as giants.

One of Ireland's most infamous prisons for rebels including men, women and children.

Petting this mysterious iron monkey supposedly brings good luck.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.