This urban oasis is a marvelous meld of music and landscape architecture.

This massive, ancient stone was disassembled and then put back together again.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

This sprawling bookstore spans four floors and has more than a million books in stock.

Volcanically heated hot springs.

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

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The mummified relic of St. Antoninus.

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

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

The oldest operating pharmacy in the world features 800-year-old recipes.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

The middle finger of modernity.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

The oldest inn in England served brew to the crusaders.

These strikingly barren, rolling red hills were caused by bad farming practices.

One of the largest underground systems runs under Canada's largest urban center.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.