What is dark tourism?

What are the hazards of Nevado del Ruiz? Which produces more power-Bonneville or grand coulee dam? Where were the trenches and how were they constructed in World War 1? What are the five gulf of Mexico states? Where is the fastest flowing river in England? How does the difficulty of climbing Mount Everest lead people of such different backgrounds as Hillary and Norgay to work together to succeed? Where is Hunza Valley located? What are the 1 Canadian province and 3 US states that border Lake Superior? Is there a Bucsh Gardens in Williamsburg? How many finger lakes are there in NYS? Where are the happening beaches in goa? Who established New Orleans at the mouth of the Mississippi River? When did the Arlington cemetery open? How long does it take from st Michel notre dame to champ de mars tour Eiffel on the c line? How many people visit the Carpathian Mountains a year? How do escarpments affect river travel in the region? What is the name of the marshy flatlands is found at the mouth of the Nile? What is the island in the pacific that starts with Tu? Why did some trails run along rivers in the 1800? How did geographic location influence the civilization that existed 4000 years ago between the Tigris and Euphrates rivers?