Explore the ancient caves of Hang Son Doong, Vietnam. Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.
Secluded cave near Lagoa Algarve Portugal [Portugal is has it all. great food and wine sights natural spots (like this one) friendly people. and you can get away with your high school Spanish if you need to.
Hole in the Wall - Port Alberni, British Columbia; Remnants of an old pipeline that once fed Port Alberni with water. The hole is where the pipeline was punched through the rock formation and joined up to the reservoir behind; photo via karen
butchart gardens, vancouver island - everyone who has ever visited these outstanding gardens in Victoria, BC go home with visions of this in their back yard ! Many dream . but few achieve. The Butchart Gardens . heaven on earth.