A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

The world's largest wooden structure.

A 16th-century Andalusian palace.

The final resting place of the great navigator, or maybe his brother.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Grab a slice of Catalonia’s famous flatbread in a space with ancient Roman roots.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

A fantastic Christmas tradition where defecation meets the manger.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

Bird dung painted this huge boulder which in turn inspired the name of a city.

A narrow fjord-like lake, the third-deepest in the United States, runs for over 50 miles into the Cascades of Washington state.

Stroll through a wonderland of stupendous moss-covered trees.

This historic Victorian hotel has a scandalous history of affairs and murder.

Former farm staffed by mental patients is now a public park.

The remains of a former logging boom town, crumbled away in the forest.

The highest point in Washington state is a volcano covered in glaciers.

This statue and its surrounding plaques tells the story of Ko-kwal-alwoot and the kinship between the Samish people and the sea.

This historic bridge connects Whidbey Island to Fidalgo Island across whirlpool-filled waters.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

At a rest stop north of Seattle, the trunk of an ancient tree.