European castle ruins in an American state park are actually the product of death and grief.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

The world's largest collection of the world's largest objects is in one small Illinois town.

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

A beautiful discovery site of prehistoric burials.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

This open-air museum was originally a World War II testing ground for German missiles and rockets.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

The “American Gothic" artist's largest works hang in an Iowa State University library.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.