Krakow's own version of the Hollywood Walk of Fame.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

Inside this Krakow church, an explosion of psychedelic color.

A memorial to the beloved brown bear that served in the Polish army during World War II.

A beautifully eclectic mix of architectural styles.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Where royalty waits in the height of luxury.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

The house that took a plunge into the facade of a museum.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Op-art architecture designed for happiness.

Handsomely crafted representations of our round planet.

The beautiful baroque library of the Hapsburg empire.

This dazzling Art Nouveau mansion is now home to the Modern Art Gallery Subotica.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The oldest operating pharmacy in the world features 800-year-old recipes.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

These medieval skyscrapers dominate the skyline of this small Tuscan town.