A surreal statue honoring Prague's favorite literary son.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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

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

Macabre astrological automaton clock dating to the late 1400s.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

In Warrington’s Golden Square, it's always tea time.

This 20th-century replica of a 13th-century castle has itself fallen into ruin.

A typographic tribute to the many comedic greats who make Great Britain laugh.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The modern birthplace of Irish freedom.

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

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

The castle still holds traces of the abandoned Roman fort it was built atop.

Recently restored menagerie of Victorian-era beasts.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.