Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

A statue of Charlemagne, created in the 1400s, once overlooked the city, and is now located in a crypt.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

An exquisite Baroque church in Vienna's old town.

The solemn exterior conceals an opulent interior of this 17th century church.

A magnificent collection of imperial armor and weaponry.

Dine amidst exotic plants at this former royal greenhouse.

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

A tiny chapel clings to a precipice above Germany’s gemstone capital.

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

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

The official motto of Luxembourg reminds passersby of the Luxembourgish commitment to their national identity and sovereignty.

A church instrumental in the spreading of Christianity in England and the final resting place of hundreds of Saxons.

This museum honors the young maritime hero who became an unexpected Victorian-era celebrity.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

This gorgeous space is England's largest independent library outside of London.

An ornate private entrance to the Vienna subway built specifically for the emperor.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

A ruined castle revived by a glove magnate, home to countless tales of bad luck, romance, and war.

This rock bore witness to the last pitched battle fought on British soil.