Explore the city beneath the city.
The largest glacier in the Alps, with a length of 23 kilometers and an area of 120 square kilometers.
These four caves, with their weird formations and impressive chambers, are the most famous tourist attraction in Mallorca, Spain.
They are not the largest in the world, but they are truly amazing and highly publicized, being a major attraction in Africa.
The Old Town, National Open Air Museum of Urban History and Culture. In 2009 The Old Town celebrates its 100th anniversary.
Three natural bridges, carved in sandstone, creating a great landscape.
Red Lake is a natural-dam lake, situated in Harghita County, Romania. It is relatively young, formed in 1837.
Initially built as a temple for all gods of Ancient Rome, the Pantheon is one of the best preserved of all Roman buildings.
An impressive museum, showing exactly what communism meant and how people suffered because of it.
A symbol of London and one of the most recognizable bridges in the world.
Previously known as the City of Refuge Park, the park has an important historical and cultural importance.
Spanning over 20,000km, this is Namibia's second largest game reserve, attracting animals being a source of water in a very dry land.
With approximately 1.3 million visitors each year, the Aquarium is a popular attraction between tourists of all ages.
A nice remember for the king of rock, Freddie Mercury, in Montreux, Switzerland.
An ancient Inca city in Peru, similar to Machu Picchu, but more remote and not so visited.
Situated 120 meters (400 feet) above sea level, the castle provides magnificent views of the city.