Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Inside the world's largest seed bank, WWII botanists elected to starve to death rather than compromise their collection.

Where layer cakes tower above one’s head and there is never a shortage of icing.

Mexico's astounding mummy museum with "the world's smallest mummy."

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

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

At this cozy bar tucked down a hidden Galway backroad, Guinness makes the Gaelic come out.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

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

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

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

Though they've since been renamed, these two streets hint at Dublin's darker days.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Metro station with a claim to rock n' roll fame.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.