A Truly Grand Tour

A Truly Grand Tour!
Vivid first person accounts and Brilliant nature writing:
"A visit to Niagara Falls", by Fanny Trollope, from Domestic Manners of Americans, 1832
"The Approach to the Valley" and "The Ancient Yosemite Glaciers: How the Valley Was Formed," by John Muir, from The Yosemite. 1912
"The Grand Canyon" by Major John Wesley Powell, from Exploration of the Colorado River of the West and its Tributaries. Explored in 1869, 1870, 1871, and 1872 under the direction of the Secretary of the Smithsonian Institution, 1895
and
"A Curious Pleasure Excursion", by Mark Twain, An Advertisement published at the time of the "Comet Scare" 1874