This church sits upon a peaceful hill and a long, turbulent history.

This former limestone quarry is now a subterranean wonderland of grand stonework.

Despite centuries of architectural innovation, this French castle is being built like it's the 13th century.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

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

A mocking tribute to the past and modern leadership of Prague.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

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

Macabre astrological automaton clock dating to the late 1400s.

This 13th century Gothic brick castle is the largest in the world by surface area.

Open-air museum with a large collection of Soviet-era statues.

A tiny traditional village keeps an ancient method of beekeeping alive.

The Latvian city of Ventspils is filled with dozens of cow statues showcasing unique themes.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

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

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Where commuters walk through remnants of an ancient Greek necropolis.

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

A mud brick kasbah with a history of lavishness and traitorship.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.