The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

Cat art as far as the eye can see.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A unique work of automotive art calls this shopping center home.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

Originally brought to Texas by Czech settlers, these sweet and savory pastries are an essential local breakfast staple.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

A health museum containing a 27’’½-foot intestine.

Some of the best Chinese-Vietnamese fusion can be found at outposts of this homegrown empire.

A historic, century-old house plopped along the perimeter of Houston's ballpark.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

The Habsburgs' royal collections of art and wonders.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Dine amidst exotic plants at this former royal greenhouse.

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

The world’s first penitentiary, meant to be humane, drove men insane.