Lake Titicaca - Los Uros

Lake Titicaca is located on the border of Peru and Bolivia, at 3.812 m above sea level, making it one of the highest commercially navigable lakes in the world.

Los Uros are a group of artificial islands made of floating totora, a reed that abounds in the shallows of the lake. Their original purpose was defensive as they could be moved if a threat arose.

Puno, the most important city on the peruvian side, can be seen in the background.

The Parthenon

and the Theater of Dionysus Eleuthereus, at the Acropolis of Athens, Greece.

Ko Phi Phi Leh

Phi Phi (Pee Pee) Islands, Thailand

Pamukkale

Pamukkale, meaning 'cotton castle', is the name given to the site where a hot spring emerges in what was the exact middle of the ancient city of Hierapolis, south-western Turkey. When the water of this spring surges over the edge of the plateau and cools, carbon dioxid is given off and calcium carbonate precipitated as hard chalk.
You can hardly see the water on the pics but it's running down the hill.

Antigua Island

Antigua and Barbuda (The Caribbean)

Mitla

Mitla (state of Oaxaca, Mexico) is famous for its arqueological site with the most exquisit patterns on the walls. Its history is very complex as it has been occupied by several cultures, having some notorious Zapotec influence in the early years (around 200 AD).

This spanish church, seen of photo #3, was built on top of some other ruins.

Durbar Square

Patan, Kathmandu valley, Nepal.

The Jade Sea

The 'lodge':

El Mollo village:

Lake Turkana (former Lake Rudolph) is located in the Great Rift Valley in Kenya, where climate is extremely hot and dry and winds can be really strong.
With its far northern end crossing into Ethiopia, it is the largest permanent desert and alkaline lake in the world, where Nile crocodiles are found in great abundance on the flats.
All the surrounding area is predominantly volcanic and an active volcano still emits vapors on Central Island.