Three hundred years of preserved Spanish colonial history in San Antonio.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

This half-ton piece of the Alps sits at the base of the CN Tower.

Years of archaeology, just chillin' by the water cooler.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

Wisconsin's most celebrated export gets the royal treatment on I-94.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

European castle ruins in an American state park are actually the product of death and grief.

Giant granite rocks standing end-to-end like a train of circus elephants.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

Erosion and time have created a naturally-formed water park.

A flat slab of stone perched hundreds of feet above the Gasconade River in the northern Ozark mountains.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

This restored house is like a time capsule of the president's unconventional inauguration.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

Memorializing an American tragedy of massive proportions.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

This rustic old building is said to be the most photographed barn in America.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.