A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

This platform is now a memorial dedicated to those who were deported during the Holocaust.

It houses the remains of a 17th-century version of the Titanic.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

The last bastion of Roman presence north of the Alps looms over a German town.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

This ancient Roman aqueduct once funneled water to Diocletian's palace.

Browse through a century of this principality's first popular export.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

Eat the ultimate iteration of Portugal's most beloved pastry.

Sip cherry liqueur at a bar dating back to 1840.

This little sun pays homage to a massive gate that once stood at this location.

This mysterious tower is said to enshrine a dormant seven-headed serpent that once protected Vientiane from destruction.

The original span of a high bridge across the deep Crooked River Gorge has been preserved for pedestrian use.

These bamboo and rope bridges cross the Nam Khan River for six months every year.

The oldest restaurant in Portland serves fiery coffee cocktails and an astounding amount of turkey.