Former hotel turned into haunted playground.

Siberian husky that delivered a life-saving antitoxin.

Quito's historic, main square dates back to the 16th century.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

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

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

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

The arboretum whose marshy soil sucked up the dreams of housing developers.

More than 5,000 contemporary and "historic" mustards from around the world.

This baseball diamond was home to the Rockford Peaches, a team featured in the hit film "A League of Their Own."

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

Where experiments are conducted on all things wood.

Amateur taxidermy museum known for its large collection of white squirrels.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

An auroral research program that superheats the ionosphere.

Four-story concrete hotel never opened to customers.

This whimsical stacked cabin looks like something out of a children's book.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

This abandoned mine offers a glimpse at what life was like for those who came to Alaska seeking Gold Rush riches.

Open day and night, a church with three pews and Bibles.

The ruins of a town wiped out by the second-largest earthquake in recorded history.