The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

A half-size replica of the World Trade Center towers above Tulsa.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

The world’s largest Masonic temple was saved by the White Stripes.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

The only arched bridge made of stone on the entire Mississippi River.

A true roadside icon standing on the same plains that the herds once roamed.

The world's largest Holstein cow.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Every president in history is immortalized in bronze in downtown Rapid City.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The world’s largest concentrated solar plant generates as many problems as megawatts.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

The best Tiki bar in Las Vegas.

Nature's biggest mammal swims in landlocked Oklahoma.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.