Permanent exhibit reminds visitors of the Exxon Valdez.

This abandoned mine offers a glimpse at what life was like for those who came to Alaska seeking Gold Rush riches.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

The location where the iconic movie character declared it was time to go home.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

The watery grave of an impractical idea.

Built in 1512, the oldest cathedral in the Americas.

The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

The final resting place of Christopher Columbus - or possibly someone else.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

The biggest solar telescope in the world helps reveal the secrets of our sun.

During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

This limestone outcropping was once a ceremonial site for ancient Native Americans.

Georgia's highest point was given its strange name thanks to a simple translation error.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

A roadside spring pooling in an old bathtub where anyone can stop and sip.

A monument to the forgotten French explorers and their landmark expedition.

Just a man taking his prehistoric pet for a stroll.