A lush oasis full of vibrant plants and striking geometric displays.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

The Hungarian biochemist whose research helped develop mRNA-based vaccines for Covid-19.

The true meaning behind this sculpture remains unknown.

The oldest private art gallery in all of Hungary.

Time stands still at this serene burial ground in the center of Budapest.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Budapest's Communist-era statues, banished to the suburbs.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A monument dedicated to a lone, brave invader.

Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

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

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Apartment complexes built into huge repurposed natural gas tanks.

A silly medieval mural preserved on the side of a Viennese house.

Dine amidst exotic plants at this former royal greenhouse.

A spherical "micro-nation" in the heart of Vienna.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

Taking the subway here means doing so over a bridge located in the middle of an estuary.