World's Most

ADX Florence: The U.S.’s Most Secure Prison

ADX Florence, built south of Florence Colorado in 1994, is the most secure prison in the United States prison system. Commonly referred to as...
La Rinconada Peru highest city in the world

La Rinconada, Peru: Highest City in the World

Exactly how high is the highest city in the world? How about over 3 miles? La Rinconada Peru is a rare case: an old...
Action Park

There Was Nothing in the World Like Action Park

Action Park was one of the first water parks in the United States, and by the time it closed in 1996 it was the...

Wadi Us-Salaam, Iraq: The Largest Cemetery in the World

In the holy city of Najaf, Iraq, an Islamic cemetery known as Wadi Us-Salaam lays claim as the largest in the world. Burial at...
Prora KdF resort

Prora: the Colossus of Rügen

Owner of the title “longest failed beach resort of the Third Reich” belongs to Prora, a mostly abandoned collection of buildings along the Baltic...

The Oldest Airplane Factory in the World

On the west side of Dayton, Ohio, a group of old white buildings topped with arched parapets sits in a cleared lot just off...