The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

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.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A collection of 100 brains preserved in jars on the UT campus.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

Macabre astrological automaton clock dating to the late 1400s.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Real bones which are said to have belonged to a Polish dragon.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

Enormous small-business mecca in the Midwest, serving dozens of artists.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

A Beaux-Arts triumph set to become Ford's innovation campus

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The bones of an old zoo crumbling in the shadow of a new one.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.