A magnificent waterfall nestled in the heart of the El Yunque National Forest.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

The 100-year-old public collection of a New Hampshire dentist that contains taxidermy, Native American artifacts, and a pair of mummy hands.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

To find the "unicorns of the deep" you've got to go downstairs.

Illegal drag racing two stories beneath Chicago’s streets.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

These pretty kitties killed and ate as many as 135 railway workers.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.