Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

A different kind of swan princess.

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

Theme park featuring miniature replicas of European monuments.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A little sculpture with a large wardrobe.

What was once a bustling mining installation is now a bustling hub of contemporary art.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

Go inside to really appreciate this 500-year-old technological masterpiece.

Just a man taking his prehistoric pet for a stroll.

A fitting attraction for the corn capital of the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

America's first National Historic Landmark is a 100-foot tall obelisk and gravesite dedicated to the only casualty of the Lewis & Clark Expedition.

Legend says the only thing buried within this magnificent tomb was a dog.

This sculpture of a rhinoceros suspended above a city square is meant to evoke the weight of the human condition.

This poignant art installation raises awareness of violence against women.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

The world's most active stratovolcano is almost always erupting.

A statue honoring 44 continuous years of greeting passing ships.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.