Rainbow arches made of shipping containers grace the entrance to one of France's largest seaports.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

Two ancient yew trees with a chapel and an altar built inside their hollow trunks.

Lego blocks now patch Rouen's WWII scars.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

His "Lionheart" is entombed separately from the rest of his body.

Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

Translating as "The Jump of the Girlfriend," this stunning waterfall has a tragic legend behind it.

This grandiose staircase was part of the revival of a medieval Spanish architectural style combining Christian and Islamic influences.

The geomorphology of the Turia Valley could easily be mistaken for Utah or Arizona.

A fiery-red region of scooped out land still largely untouched by civilization, tourists or otherwise.

Former 19th-century apothecary serves a top-tier version of Valencia's signature cocktail.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

A bad omen turned symbol of good fortune now adorns a hidden palace in the quiet streets of Valencia's old town.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The bridge that cost Germany a World Heritage Site.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

When the rain falls, this drain system turns into a musical instrument.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

The 20th-century church looks like a rustic version of the Sagrada Familia.

A monument at Alicante Marina honors a little-known hero of the Spanish Civil War.