The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

Unique tower has outlasted a takeover of the company.

The largest earthwork effigy in the world.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

What is it about mushrooms that makes people wish they lived inside of them?

This magnificent Cincinnati graveyard is also a popular public park.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Symbolic attempt to overcome the issues of life.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

One person's lost luggage is another person's treasure.

Visit this playground of waterfalls, caves and sinkholes.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

An oversized metal construction of Billy Tripp's moods going through life.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

The world's longest known cave system.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Home of an evil witch famous within southern folklore.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This award-winning men's bathroom was just too beautiful to not allow women to see.

The only nuclear weapon assembly and disassembly plant in the U.S.

This Tennessee manse was built so opulent that the very utilities doomed it to fail.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.