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

Petrified footprints of one of the very first vertebrates to walk on land.

This single room has survived the centuries with almost no deterioration.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Silent memorial, using bone conduction to take people back to the Dresden Bombing of 1945.

When the rain falls, this drain system turns into a musical instrument.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Climb inside an iron crystal magnified 165 billion times its normal size.

An undulating wicker beast looms peacefully atop a sand dune in Belgium.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

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

Paris' linguistic guide to the international language of, yes, love.

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

Notorious artist squat renovated into legal studios.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This grave resides at the crossroad of three parishes.