A submerged archeological park still holds the wonders of a Roman Sodom.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The interior of this Serbian royal family's mausoleum is covered with exquisite mosaics.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Structure built from the skulls of vanquished foes.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

The house where the writer spent his formative years.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

Local legend says the remains of Father Christmas lie within the medieval grounds.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

Eulogizing an unknown man's unusual demise.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A humid oasis combines recreation with exploration in a unique underwater cavern.

Cozy basement bar sports an inventory of over 2,000 beers.

Lavish royal estate punctuated with heated greenhouses.

The Devil’s own choice when he needs a drink in Brussels.

Jacksonville's highways rendered this century-old grammar school unusable.