A gorgeous example of 13th-century Gothic architecture.

One of the oldest libraries in the world is still operating and contains the oldest existing document in the Italian language.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

This medieval castle was reconstructed by Carlo Scarpa.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

The World's Largest Bull.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

Four ionic columns from the Treasury Department building ended up in a park in Nebraska.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

An experimental, automotive replica of Stonehenge.

Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

Otherworldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

A brick-paved former section of the historic coast-to-coast highway.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”