Beautiful tiles decorate many of the town's surfaces and stand testimony to its glorious artistic history.

The odd cement nubs littering this Spanish square are actually the entrances to a series of buried silos.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

With a facade that measures just 107 centimeters, this five-story building is one of the skinniest in Europe.

This architectural oddity is an oasis of green on the outskirts of Valencia.

This house's itty bitty size means no humans allowed.

Vibrant street art created with mixed media.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

This abandoned viewing platform has become a monument to unnecessary government spending.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

A series of playful yellow penguins share a serious message about the environment.

A crucified and bearded female saint.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

Tucked away in a Prague park, a statue beloved by romantics honors a poet so nice they buried him twice.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Dedicated to the man who saved hundreds of children from Nazi-occupied Czechoslovakia.

This artificial cave looks like something out of a fairytale.

Walk through Czech history in Prague's largest graveyard.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

A surreal statue honoring Prague's favorite literary son.