A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Baroque celebration of the end of the Great Plague of Vienna.

This former insane asylum now holds a pathological anatomy museum.

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

The beautiful baroque library of the Hapsburg empire.

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

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

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

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

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

A 19th-century pharmacy converted into a bookstore.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This unique Lady Liberty is one of the only examples of the figure sitting down.

A strip of neutral ground where the people of Tajikistan and Afghanistan come together to trade.

Home to over 1,000 street signs, this museum offers visitors an opportunity to travel over 70 years back in time.

This restored eighth-century palace is a shining example of ancient Umayyad architecture.

One man's labor of love, Amman's oldest home has become a time capsule with its doors permanently open to artists and guests.

Just outside of Jordan's capital lies an ancient castle and intriguing caves dating back to the Copper Age.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

This igneous rock monolith towers above the surrounding landscape just outside the Nigerian capital.