This 135-year-old weather station studied the effects of the climate on human health.

The location of the world's first telescope demonstration.

Lumps of significant stone from around the world surround a flaming monument for peace.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

The oldest continuously occupied public building in the United States.

A man throwing a giant severed hand towers over Antwerp’s main square.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

Cozy basement bar sports an inventory of over 2,000 beers.

Climb inside an iron crystal magnified 165 billion times its normal size.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

A somber memorial honors the hundreds of thousands of lives lost at this labor and extermination camp.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Iceland's tribute to its thankless civil servants.

This stunning concert hall has become a symbol of Iceland's national recovery.