150-year-old satirical tableaus made from stuffed frogs.

A Swiss magician's vault of oddities.

Zurich's evolution museum hosts a unique collection of skeletons among its natural history treasures.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A historic observatory precariously perched at the "Top of Europe."

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

Museum featuring strange and enchanting toys of the past.

Where old school Polish Chicago and young hipster Chicago live side by side.

Former meatpacking facility turned vertical farm and sustainable business complex.

Art Nouveau painter Alphonse Mucha spent 18 years creating these monumental paintings of Slavic history and mythology.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

The first and only museum dedicated to stained glass and horology opened outside of Chicago in 2017.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

A lush green oasis in the middle of Chicago.

Museum dedicated to the art of cutting and polishing stones.

The 30,000-volume library is one of the world's most impressive poetry collections.

This historic hotel invented the chocolate brownie.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

These abandoned grain silos and tunnels are an urban exploration dream.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

First planned industrial community in the United States.