Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

An unfinished rail tunnel that has since been used to house cheese and bats.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This extensive collection covers thousands of years of Polish military history.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

This simple badlands butte is the highest point in North Dakota and may be the only high point to charge admission.

A monument to the center of the North American continent may be off by a few miles.

One man's quest to save his town with a trail of record-breaking sculptures.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

This Wild West attraction is alive with glitching automatons.

A cemetery housing wild west legends in South Dakota.

A fitting attraction for the corn capital of the world.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

One of America's first dinosaur parks gives a window into Depression-era paleontology.

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.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest private aircraft collection.

The smallest post office in the United States is no bigger than a broom closet.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.