Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

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

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

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

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

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

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

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

Looming communist pillar with a Czech twist.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Home to three historic ships from the age of Vikings.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

This bazaar is one of the oldest in the Arabian world.

This spectacular mosque houses the second-largest chandelier in the world.

An imposing Omani fortress surrounded by date palm trees.

This beautifully restored fortification kept the city safe for centuries.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

This living legend of maritime history is enjoying a second life.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”