An abstract monument to a symphonic composer.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A subterranean house of worship carved right out of the bedrock.

This modest marker near Notre Dame identifies the very center of Paris.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An underground nightclub helped spark a "Singing Revolution."

The Guardian of Tallinn.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

A vintage video game wonderland in downtown Reykjavik.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

Iceland's tribute to its thankless civil servants.

This tiny museum's sizable collection is jammed into a former underground public toilet.

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

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

The largest whale museum in Europe allows visitors to walk among life-size giants.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A collection of artifacts from two worldwide industries that called Endicott, NY home.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.