Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

The last Tsar of Russia constructed this private church just so he could attend services when visiting his wife's hometown.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

These unique markers designate the route American forces took during the Liberation of France.

This museum is home to a sugar sculpture of the Berlin Airlift Memorial.

The extremely grey columns of one of Mexico City's most iconic beltways are slowly gaining a bit of color.

The people of Padua pledged to construct this church if the city was spared from destruction during World War I.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

The first modernist church in Europe.

This grand manse has been transformed into a museum devoted to one of the founders of Fantastic Realism.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

The world's oldest known salt mine.

The Habsburgs' royal collections of art and wonders.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The beautiful baroque library of the Hapsburg empire.

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

A museum glorifying the life of Stalin, located in the city of his birth.

This space age health spa looks like a supervillain's lair.