Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

One of only 3 vertical lift bridges on the Mississippi it still operates despite its apparent condition

Built in 1931, this small passageway is believed to be the first modern skyway.

World's largest carved onyx figure stands as a tribute to enduring peace.

A tribute to Charles M. Schulz, who created the iconic cartoon that features Charlie Brown, Snoopy, and more.

This statue of Olympic hockey coach Herb Brooks immortalizes one of the greatest moments in American sports history.

This plaque marks the spot where the first crossing guards helped get kids safely to school.

The literary king of the Jazz Age was born in this lovely Minnesota home which still honors his legacy.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

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

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

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

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

A theme park attraction designed to turn your children into LARPers.

This massive 286,200-tile mosaic was the largest mural of its kind in the United States and is an early example of computer-generated art.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

This taxidermic smorgasbord was co-created by an artist poached from the Museum of Natural History.

Thousands of people walk over this fantastic work of art every day, but how many notice it?

This tiny home was originally a narrow alleyway.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

A park where people have been going to feed friendly pigeons since the 18th century

This colorful gate stands as an entrance to the walled city of Old San Juan.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.