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

The largest retailer of seashells in the world.

A lone gunner's station is all that remains of a replica Spanish Fort in Florida.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

This working class sculpture pounds his hammer all the livelong day.

A miniature world of concrete and stone in Springfield, Ohio.

No one knows the origin of this small town’s unique name.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

A diorama of the Civil War, fought by cats.

The seat of Buffalo government is a gorgeous Art Deco palace.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

A gigantic 10-foot tall stone man.