Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

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

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

This former cannon foundry and castle for the Counts of Flanders is now a public garden.

This traditional festival celebrates a family of wooden giants that have survived Nazis, wars, and religion.

An astounding collection of taxidermy, fossils, skeletons, and even a few strange live beasts.

This statue honors the thousands of Allied avians that served and died for France during World War I.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

This architecturally eclectic early-20th century mosque was built as a place of worship for the Islamic followers of a Jewish messiah.

An abandoned Byzantine fortress and notorious prison.