The Infinite Gallery , Venice , Italy
Waiotapu Thermal Reserve, Rotorua, New Zealand.
The Narrows. Upper south side of Lake Travis near the community of Spicewood. From Austin take Texas 71, turn north on Spur 191, and proceed approximately one mile to Spicewood. Continue traveling north 1.1 miles on Burnet County Road 410 to CR 411, which is a gravel road. Proceed approximately 1.5 miles north to the entrance for the Narrows Recreation Area.
The Poseidon Resort in Fiji. You can sleep on the ocean floor, and you even get a button to feed the fish right outside your window.