tourists ascend the staircase leading to Okusha Hoto in Nikko, Japan, to explore the structure that houses the remains of Tokugawa Ieyasu

staircase tokugawa ieyasu japan visitors traveling people serene landscape cultural heritage sacred site japanese history historical landmark historical site tranquil environment sacred architecture resting grounds traditional design japanese heritage architectural masterpiece natural tranquility historic structure natural beauty peaceful surroundings harmonious setting heritage site tranquil ambiance sacred tranquility serene heritage ancient architecture tranquil retreat sacred serenity serene atmosphere tree forest culture monument richness treasure sanctuary integration ambiance tranquility architecture grandeur preservation retreat immersion significance climbing