Friction between grains of sand cause a curious "singing" sound.

A bronze sculpture in the heart of Portland represents Maine’s most defining industry.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

The tabby ruin is Savannah’s oldest surviving structure.

This kitschy tavern is also home to rare early editions of "Treasure Island."

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A clone of a cloned tree that was so important it allegedly had its own guards.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

Tour the sci-fi-esque reality of governmental disease management.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

You can still walk across this beautiful medieval bridge in Andorra.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

The floating gallery illuminates the heart of Québec City's arts district.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

This crumbling industrial fortress has attracted daredevils, filmmakers, and historians.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

A massive Montreal stadium that has seen nothing but trouble since its inception.