The exhibition explores the Icelandic city's Viking Age history.

In an area known in Bratislava’s postal history, this sculpture sits equipped with a functional postbox.

Visiting this café is like visiting the Austrian grandma you wish you had.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

Baroque celebration of the end of the Great Plague of Vienna.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Where the lovelorn find a home for their sentimental keepsakes.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

The "dragon babies" of southeastern Europe.

A whimsical bridge adorned with decorative dragons.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Op-art architecture designed for happiness.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Iceland's tribute to its thankless civil servants.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Soaring over the Niagara Whirlpool since 1916.

Send a postcard while vacationing with Satan.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.