Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This bridge is so steep it looks like a rollercoaster.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Tiki luxury on Nob Hill.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

An enormous, inside-out glass globe built in 1935.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

Just outside the Ohio Supreme Court sits a testament to justice.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

The relics of dozens of martyrs are stored in a single chapel.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

One of the last free public hot springs is decorated with hippie art.