This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

A memorial for an outsider theorist who believed that the planet is actually hollow.

Deep scars on the earth left by the Ice Age.

The largest earthwork effigy in the world.

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

This magnificent Cincinnati graveyard is also a popular public park.

The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

Inside, ancient treasures. Outside, modern contradictions.