Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The modern birthplace of Irish freedom.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Cliffside houses provide a spectacular view from their perch above the valley.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

An ancient Egyptian temple in the middle of Madrid, Spain.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

The oldest stone house in Paris was built by its most famous alchemist.

This massive library holds what was once the largest book collection in the world.

A mechanized clock where a man fights off a dragon, crab, and rooster.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This stunning concert hall has become a symbol of Iceland's national recovery.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

A sulfuric martian landscape that looks far better than it smells.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This beautiful, historic church looks like something out of a simpler past.

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