A remarkable medieval structure born from a 14th-century disaster.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

This 15th-century cave complex is one of the very few monasteries to stay open throughout World War II and the Soviet regime.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

The only remaining U-boat that is still floating never actually saw any action in World War II.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

Striking occult iconography on a medieval German church.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

An abstract monument to a symphonic composer.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

3,000 market stands in five former Zeppelin hangars.

This lurid German fountain plots the sad course of marriage from dating to death.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

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

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Sweden's "good old days" painstakingly re-created in a model village.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.