A special area of the National Archaeological Museum of Naples is located inside a metro station.

Feast on award-winning birria tacos from a food truck inside this neon robo-tiki bar.

This statue points to another unusual companion work of art often overlooked by visitors.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

Dine amidst exotic plants at this former royal greenhouse.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

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.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

A once-fairy tale mansion now stands in a state of disrepair.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

A unique hotel for the artistic soul.

Beautiful antiques and obscure engineering artifacts trace the evolution of phones from rare luxuries to ubiquitous.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

How did an Australian statue of the Bard of Avon end up in the Hungarian capital?

Dine on Hungarian-Jewish dishes at this multigenerational, family-run institution.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

This sculpture honors the man who was known as the "Righteous Among the Nations."