The last bastion of Roman presence north of the Alps looms over a German town.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

Electricity pylon standing in the middle of a shelter.

Swedish skyscraper with a 90° twist.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

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

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

Three columns of volcanic rock shoot out of the ocean.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Walk in the footsteps of the gods and straddle two tectonic plates.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.