This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

An ever-evolving wall of graffiti art off East Liberty Street.

Dating back to the 1800s, two imposing buildings in Michigan have had countless transformations over the years.

The unusual medical inventions of the man who gave the world Corn Flakes.

This NASA test station is home to some of the world’s largest and most powerful space environment simulation facilities.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

A 19th-century architectural wonder designed by the "father of the skyscraper."

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

A forsaken wonder in the middle of the East Side neighborhood.

The absurd creation is a compulsory destination for selfies in Buffalo.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

An enormous, inside-out glass globe built in 1935.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

The subtle science of a master molecular gastronomist.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.