If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

An ancient knight and a symbol of the city's freedom.

A musical instrument played by the sea.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

Monsters and miniatures are held in equal esteem at this wondrous museum.

There's an exclusive Beefeaters pub hidden in the Tower of London.

This 1920s Dutch barge is now a floating bookstore.

This artistic fountain display pays homage to this area's theatrical history.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

A restaurant and observation deck built in a unique broadcasting antenna.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Explore the 500-year history of silk-making in Lyon at this museum, workshop, and boutique.