A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

60 feet of towering steel balances gracefully.

A black and white mural stands out from its psychedelic surroundings.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The oldest operating pharmacy in the world features 800-year-old recipes.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Inside the Bangor International Airport is a collection of military challenge coins.

This nature mural exists to protect the surrounding environment and its own canvas from destruction.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

Built for television, this statue now serves as an unlikely memorial to a fireman who died on 9/11.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

This World's Fair showpiece was built in Chicago, but shipped to Maine.

The only remaining historic maritime signal station in the United States.

Its unique collection details the history of the state's svelte railroads.

This massive solar system model is sprawled out across Maine's suburban wilderness.

The debris forms a solemn memorial to those who died in a 1963 accident.

Former laboratory of radical psychiatrist Wilhelm Reich.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

This candy-striped tower is the farthest east you can go in the United States.