A magnificent part of California's natural history since its discovery in 1885, Mercer Caverns is home to a wealthy variety of natural cave formations. Visitors are invited to take a tour of the caverns and view a variety of stalactites, stalagmites, draperies, columns, flowstone, helictites, and soda straws. Gaze upon delicate aragonite crystal formations at one of the cavern's deepest points, for which Mercer Caverns won a Grand Prize at the 1900 Paris World Exposition.

Summer, sun and music is celebrated at the annual Chamber Music Festival in Eilat. Come here to enjoy music with like-minded. Upcoming artists are announced on their website.

Jjimjilbang culture holds firmly in Korea, with the Busan area alone boasting around 450 spa centres (the largest number compared to any other region). It's important to note that the absolute majority of spas require that guests of both genders remove all of their clothing prior to accessing any of the baths or hot springs (this includes swimwear). Heosimcheong Spa is the largest of kind in Asia (and extremely reasonably priced), but there are other options for a slightly more refined experience that's still very affordable (the luxurious Spa Land Centum City, to name one). Some spas (such as Hill Spa, for example) remain open 24/7; these are sometimes used as a place to spend the night in lieu of a hotel room. For a lighter version of the experience, visit a "foot-only" spa, where anyone can sit down and soak their feet in hot thermal water for a few minutes. Dongnae Spa Outdoor Foot Bath is one address to experience this.

Giant sequoia trees and mixed conifer forests draw countless nature enthusiasts each year. Calaveras has been a State Park since 1931, when it became apparent that the beautiful North Grove needed preserving. The Grove features the wondrous 'Discovery Tree,' also known as the 'Big Stump,' which was the first Sierra redwood noted by Augustus T. Dowd in 1852. Guided tours are offered on Saturdays.