Ayyavazhi is a belief system that originated in South India in the 19th century. Many consider it a Hindu sect—including the majority of its followers—however, academics often define it as an independent monistic religion. While its ideology is quite similar to that of Hinduism, some Ayyavazhi beliefs and practices differ from the Hindu tradition, especially those relating to the concepts of good and evil as well as dharma. On whose teachings is Ayyavazhi based? Discuss
Source: The Free Dictionary
Howe Caverns is a cave system in east-central New York that lies 156 ft (48 m) below ground. It was discovered in 1842, when farmer Lester Howe began to wonder why his cows all seemed to gather near one particular hill on hot summer days. Upon investigating, he felt a cool breeze blowing from a hole in the hill. He and a neighbor began to dig out the hole and uncovered the entrance to a cave. They explored it extensively and opened it for tours the next year. Why are there boats in the cave? 
In 1994 the 
Conan Doyle was a Scottish writer noted for his tales about fictional detective Sherlock Holmes. Originally a doctor, Conan Doyle studied under the sharp-eyed Dr. Joseph Bell, who was noted for his ability to draw accurate conclusions about people through observation. Bell was thus the model for Holmes, who appeared for the first time in 1887. Conan Doyle “killed off” Holmes in 1893 but was forced by public demand to resurrect him. What famous unsolved hoax might the author have perpetrated? 
A legendary pagan spirit later adopted by the Christian church, the Green Man is often depicted as a male figure covered in foliage or as a face surrounded by, made of, or sprouting leaves. He is represented in a variety of English church carvings made between the 11th and 20th centuries. From the Renaissance onward, elaborate variations on the Green Man theme began to appear in many other media. Which popular folklore characters are associated with the Green Man? 
Reaching a height of 456 feet (139 m) and with a top speed of 128 mph (206 km/h), the Kingda Ka roller coaster at Six Flags Great Adventure theme park in Jackson, New Jersey, became the tallest and the fastest roller coaster in the world when it opened in 2005. It took both titles from Cedar Point park’s Top Thrill Dragster, which was designed by the same company and is nearly identical. Kingda Ka lost its title as the world’s fastest roller coaster in 2010 to what attraction?