Etchmiadzin Cathedral

Etchmiadzin Cathedral

The main church in Armenia and, possibly, the oldest cathedral in the world. The first church was built, reportedly, in 301 – 303 AD, but the construction of the current church was started in 483 AD.

Riga Cathedral

Riga Cathedral

The largest medieval church in the Baltic states. It was constructed in 1211 and extended in later times. The current Baroque tower was constructed in 1775.

Sistema Huautla

Descent into Sistema Huautla

The deepest known cave in the Western Hemisphere. The known depth of the cave is 1560 m, length of its passages – 100 114 m.

Jerusalem Old City

Jerusalem Old City

One of the most important and holiest cities in world history, one of the oldest cities with hundreds of monuments of world importance.

Defynnog Yew

Defynnog Yew

The largest of the giant yews in Defynnog village and one of the largest in the British Islands with a circumference of some 10.06 m at ground level.

Zerelia Lakes

The smallest Zerelia lake

Two small lakes – Great Zerelia and Small Zerelia. According to geological research, both could be created by meteorite impact some 12 000 – 8 000 years ago.

Mokena Geyser

Mokena Geyser

Artificial geyser – a hot soda spring that erupts every 30 – 40 minutes and is up to 4 m high.

Murchison Falls

Murchison Falls

Roaring, powerful waterfall of Victoria Nile. The river is squeezed into a 7 m wide gorge and falls for 43 m over a distance of some 200 – 250 meters.