Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

One of the Leiden's oldest pubs is also the birthplace of the Heineken star.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Amsterdam's former hotspot for public executions and dissections.

A black cat protests the City Guild in Riga's Old Town.

A preserved oak tree about 3,500 years old found in Riga, Latvia.

A statue built to honor the elite soldiers who fought for Latvia during World War I.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

3,000 market stands in five former Zeppelin hangars.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

Flamboyant architecture from the turn of 20th century.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

Featured in one of the most iconic scenes in cinema history.