An enormous and lavish Gothic church in Czechia.

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

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A surreal statue honoring Prague's favorite literary son.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

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

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

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.

An ancient knight and a symbol of the city's freedom.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

Christ's blood allegedly preserved in a Belgian town.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

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

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

The ruins on a deserted tropical island in the Philippines bear the scars of WWII.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

This massive monument towers over the city as a constant reminder of the lives lost during Algeria's hard-won war for independence.

See no evil, hear no evil, speak no evil.