This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

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

Ruins of a German Castle on top of a towering stone pillar.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

This replica of the Greek structure is in the heart of Nashville.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The magic's in the hole!

A historic freight system that found the true gold rush is in tourism.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

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

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

Europe’s oldest natural human mummy.