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

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Glowing orb in Minsk houses 8,600,000 items.

This Minsk museum has cat coffee, cat chess, cat art, and even a cat "staff," which visitors are free to take home.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

A former imperial sea-fortress and Soviet prison.

Meet the bronze beloved pet to a family of famous peeing statues.

A little sculpture with a large wardrobe.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

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

This stunning concert hall has become a symbol of Iceland's national recovery.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

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

An encyclopedic collection of mammal penises.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

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

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

This wrecked airplane has been sitting on a black sand beach since the 1970s.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

When you're a great Russian Tsar, even your vomit gets a statue.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.