Over the dunes of the Empty Quarter, the mysterious music of the desert.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

Perhaps the most scandalous statue of America's first president.

Every December, this stretch of dusty desert road transforms into a catwalk for a camel beauty pageant.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

San Francisco's newly reopened hands-on science museum.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

A modernist landscape of water and sci-fi concrete.

These boots are made for selfies.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A collection of artifacts from Maryland's maritime past.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

At just 51 feet and 10 inches long, it's the shortest street in England.