Learn to drink tea like an Estonian at this museum.

Twisted buildings adorn the banks of the Rhine river.

Leveled by an earthquake, this Italian village is now preserved as a massive concrete art project.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

An alien landscape of chalk-rock in the Egyptian desert.

This "floating railway" is one of the world's oldest monorail systems.

The site of a prison camp where Cypriot resistance fighters were held in the 1950s.

Originally slated to become a luxurious resort, this structure is now a graffiti haunt reclaimed by nature.

The abandoned club hides in the hills of Ibiza.

This remarkable prehistoric town is full of watchtowers and houses that have withstood thousands of years.

These Stolpersteine located in Spain honor Republican soldiers who perished at the hands of Nazis after the fall of France.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

Tour the inside of a massive lava tube formed during a 1949 volcanic eruption.

Stop by, and you'll receive a map to two well-preserved ancient petroglyph sites.

A former 16th-century monastery houses a museum dedicated to the island and its culture.

These wooden balconies that are both decorative and functional.

The four-story mural is the centerpiece of a lavish hotel's lush atrium.

These old towers extract salt from the sea.

Marvel at this massive waterspout fueled by the incoming tide.

A pre-Hispanic pyramid in the middle of a tourist district in the Canary Islands.

A detailed 1:32 scale model of Scandinavia's largest telescope.

Behind this pair of dragon trees, there is a tragic story of lost love.

This underwater graveyard commemorates a group of murdered 16th-century missionaries.

The largest salt farm in the Canary Islands is located at the foot of an active volcano.