This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This public baseball field is a beloved remainder from of one of the most historic stadiums in the country.

Detroit’s downtown castle is one of the oldest structures in the city.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

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

Opulent downtown movie theater now houses cars as an indoor parking garage.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

This working class sculpture pounds his hammer all the livelong day.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Copenhagen's celebrated theme park and gardens.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

Venice's island of the dead.

Go inside to really appreciate this 500-year-old technological masterpiece.

Morocco's Argania trees are infested with nut-hungry goats.

Vast stretch of tide-pools with a unique Moroccan charm.

This striking art museum holds an amazing series of curiosity cabinets.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.