Eat the ultimate iteration of Portugal's most beloved pastry.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A surreal statue honoring Prague's favorite literary son.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Two stunning 17th-century libraries and a cabinet of curiosities.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Macabre astrological automaton clock dating to the late 1400s.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

Europe's second largest ossuary wasn't discovered until 2001.

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

One of Ireland's most infamous prisons for rebels including men, women and children.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Krakow's own version of the Hollywood Walk of Fame.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This dreamy street will transport you to wintertime in Victorian England.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.