Macabre museum devoted to historical Viennese murders.

One of Vienna’s oldest (and perhaps most haunted) alleys, allegedly with a bloody past that gave it its name.

These two 15th-century metal rods allowed people to check if they were swindled or not.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

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

A typical crusty old museum this isn't.

The not-quite-incorruptible St. Bernadette is perhaps the most beautiful of preserved saints—with a little help from Paris.

An unexpected connection to Chicago awaits visitors on an island just off the California coast.

A limestone wonderland of water and subterranean secrets.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

In a strip mall parking lot, an airplane with a cafe inside, flanked by a giant statue of Fred Flintstone.

This sensational silver temple is the product of centuries of metalworking.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

A meditative walk up 353 stairs leads to a majestic white Buddha overlooking Pai.

Bizarre dirt trail winds a narrow path above the tree line.

This place bears witness to the loss of many lives during WWII, and stands in stark contrast to the American Cemetery.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

A dad joke was inevitable when a member of this 19th-century chocolatier family married the president of France.

The encased skull that is widely believed to belong to St. John the Baptist.

This unassuming sculpture depicts grandfather of science fiction Jules Verne and his brother as children.

Among Europe’s most spectacular Ice Age painted caves still accessible today.

Historic medieval fortified city in southwest France.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.