A natural history wunderkammer in the middle of the desert.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

There has been an astronomical clock on this spot since the 14th century.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

A second generation sun-powered marvel lights up the night.

A treasure hunter's tiny bar, harboring celebrities since 1959.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The oldest farmer's market in America is so ancient it was approved by the King of England.

An outlandish shoe shaped house built by an eccentric millionaire.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Just outside the Ohio Supreme Court sits a testament to justice.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

This natural hill rose another 130 feet from the debris and rubble added after World War II.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Four hundred granite steps were built into this massive rock by the National Park Service.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."