12 Wonderful Winter Pools

Outdoor Winter Pools are usually found in luxury ski resorts, spas or hotels. In the winter months they are heated, and the temperature of their water exceeds 30°C (86°F) although are surrounded by snow and ice. These luxurious pools usually have amazing views of the mountains covered with snow, so bathing in them represents a special experience.

1. Hotel Villa Honegg, Switzerland

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10 Spectacular Volcanic Plugs & Natural Monoliths

A volcanic plug, also called a volcanic neck, is a volcanic landform created when magma hardens within a vent on an active volcano. A natural monolith is a mountain or large rock formation consisting of a single massive stone. Both types of these geological structures are similar in that they are often steeply rising above the surrounding terrain. The unusual appearance and the buildings which are often located on these structures, amaze visitors and attract them to come back again.

1. Saint Michel d'Aiguilhe, France

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9 Famous Nail Houses

A nail house is a Chinese neologism (a newly coined term) for homes belonging to people who refuse to make room for development. The term, a pun coined by developers, refers to nails that are stuck in wood, and cannot be pounded down with a hammer. Every couple years, these defiant ‘nail houses’ make the rounds online. They serve as a symbolic testament to the "little guy" standing up against the government and pushy developers.

1. Wu Family House, Chongqing, China

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10 Unusual Volcanic Craters

Craters of extinct and passive volcanoes are circular depressions in the ground caused by ancient volcanic activities. It is typically a basin, circular in form within which occurs a vent (or vents). Because of their inaction these craters are mostly suffered many changes caused by atmospheric and human factors. Unusual and beautiful volcanic cones, traces of human activity, lush vegetation and colorful crater lakes are the main reasons why many tourists visit these extraordinary destinations.

1. Diamond Head, Hawaii, USA

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