A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

Massive installation of Europe's negative stereotypes.

Czech architects borrow from the nest design of the stork to revitalize a farmstead, hoping to inspire the same loyalty the birds had shown.

This classic restaurant features a gorgeous mirror-clad room.

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

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

Week-long block party becomes a competition for the best decorated street.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

Ham is serious business at the Prosciutto Museum-Serious, delicious business.

Largest necropolis in the Mediterranean.

360° views of the city plus five floors of optical illusions and hands-on science.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A historic house left in "dramatic still life."

Repository for more than 22 million pickled specimens.

Traveling collection of amazing automata.

Australian Lake set aglow by Noctiluca Scintillans.

The "first cat," "first dog," and even a presidential pygmy hippo all get their due in this museum.

The United States Capitol's former columns still stand.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.