Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Visitors to this library are in for a real-world education in modernist architecture.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This popular pilgrimage site offers a hole filled with holy healing dirt.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A museum dedicated to the alleged Roswell Incident.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The first hand-illuminated, hand-written bible since the invention of the printing press.

The only arched bridge made of stone on the entire Mississippi River.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

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

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

20,000 pieces in a Frank Gehry-designed building.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

The headquarters of the prestigious World Food Prize celebrates the heroes in the fight against hunger, has no cafeteria.

The “American Gothic" artist's largest works hang in an Iowa State University library.

Millions of dollars worth of sculpture decorate this Iowa city center.

This zombie-themed restaurant stands out in the heart of corn country.

Baptisms in troughs and post-sermon rodeos at the world's biggest cowboy church.

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