Hamburgers are intensely proud of their tunnel beneath the river.

This strategic isle was once swapped between empires and almost entirely destroyed in a bomb explosion.

A 15-foot-tall statue of the head of the Sopranos family greets passengers at a train station in southeastern Lithuania.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

An unofficial monument to the late King of Pop sits at the base of a Renaissance composer's statue

This poignant tribute to the White Rose movement showcases artifacts related to the heroic anti-Nazi struggle.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

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

A unique seaside cave where Aleister Crowley faked his own death.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

The summer tourists on these cliffs are thousands of seabirds.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.