The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Once America's tallest structure, now a Baltimore landmark.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

Walk up a ramp through a forest for panoramic views of Lake Michigan.

This restaurant, art gallery, and nightlife hot spot is a love letter to Lagos from St. Louis.

A unique botanical garden housed in three giant geodesic domes.

This was once the largest four-sided clock in the world (yes, even bigger than Big Ben).

This quirky museum has a collection of more than 15,000 bobblehead dolls.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

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

Statue dedicated to the star of an old television show.

A circus of light and sound forms a sensory ode to an iconic train that will never pass through town again.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Sculpture garden and miniature golf course blend together in the oversized backyard of a Minnesota sculptor.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.