An abandoned textile factory on the "island of crows" was home to Estonia's first workers' strike.

A statue of the Soviet leader still stands in a quiet corner of Estonia’s most Russian city.

Troublesome students were detained in this tiny graffiti-covered university jail.

Once a year, local students "clean" this statue with a champagne shower.

First point in the Struve Geodetic Arc, a 19th century undertaking to measure the Earth's size and shape.

The Guardian of Tallinn.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

The final resting place of the father of modern biological taxonomy.

A large collection of ancient runestones decorates this university courtyard.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

A stunning Victorian abbey and walled garden on a lakefront.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

A hugely vast Irish landscape of barren rock that stretches for miles.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Portugal's National Pantheon has a history of curses, collapses and financial problems.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.