Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

France's most famous cemetery, with some of its most curious tombs.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The footprint of a frustrated devil in Munich's Cathedral.

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

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

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

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

Used as an example in one of the first dictionary entries for "museum" in 1706.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.