When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

Roaming bison and a spectacular view at the highest point in Nebraska.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

This erect, phallic geological spire wasn't always named so domestically.

One of the best collections of wax anatomical models in the world.

The house that took a plunge into the facade of a museum.

Austria’s oldest brewery makes beer with flaming-hot granite.

These are probably the most beautifully-crafted toilets you've ever seen.

One man's little-known private clock museum hides inside a historic farmhouse, set amidst the Austrian countryside.

Visiting this café is like visiting the Austrian grandma you wish you had.

This museum is dedicated to the little known ancient Roman history of Vienna.

A pyramid in Central Europe of unknown origin.

A glimpse into the festive and private lives of medieval Europe.

Devilish masks, handicrafts, and pieces of old buildings create a snapshot of life in a historic Alpine region.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

The world's oldest known salt mine.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.