10 most difficult tourism riddles

Leaning Tower of Suurhusen is the world's most leaning, beating the world-famous Leaning Tower of Pisa by 1.22°.

Tokelau is an island country and dependent territory of New Zealand.Three solar power stations provide 100% of current electrical demand from photovoltaics, with battery backup. The first power station was completed in August 2012. In total, 4,032 solar panels) each, making Tokelau the first nation in the world to be 100% powered by solar power.

Malaysia is the tenth most popular tourist destination in the world. It is visited by 25 million tourists yearly.

Shaolin Monastery is located in Henan, China's third most populous province and a birthplace of Chinese civilization.

La Tomatina is a festival that is held in the Valencian town of Buñol, a town located in the East of Spain 30 kilometres (19 mi) from the Mediterranean, in which participants throw tomatoes and get involved in this tomato fight purely for entertainment purposes. Since 1945 it has been held on the last Wednesday of August, during the week of festivities of Buñol.

Prambanan is dedicated to the Trimurti, the expression of God as the Creator (Brahma), the Preserver (Vishnu) and the Transformer (Shiva). It is the largest Hindu temple site in Indonesia, which attracts many visitors from around the world. It is a UNESCO World Heritage Site since 1991.

Dennis Anthony Tito is an American engineer and a multimillionaire, most widely known as the first space tourist to fund his own trip into space. Tito paid a reported $20 million to the Russian Federal Space Agency.

Hamburg's many streams, rivers and canals are crossed by some 2,500 bridges, more than London, Amsterdam and Venice put together. Hamburg has more bridges inside its city limits than any other city in the world. The longest one (picture above), Köhlbrandbrücke is 3940 metres long.

Borobudur is a 9th-century Mahayana Buddhist temple in Magelang, Central Java, Indonesia. The temple consists of nine stacked platforms, six square and three circular, topped by a central dome. It is decorated with 2,672 relief panels and 504 Buddha statues. The central dome is surrounded by 72 Buddha statues, each seated inside a perforated stupa.

The estate is situated on the banks of the Potomac River in Fairfax County, Virginia. It was designated a National Historic Landmark in 1960 and is also listed on the National Register of Historic Places.