This former outpost was designed to protect the lucrative fur trade of the 18th century.

World War II bunker still standing on the New Jersey beach.

Yo, Adrian!

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

This overlooked courtyard and museum celebrate Benjamin Franklin's life and achievements.

This elaborate towering structure was once famed for its revolutionary height.

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

This steamer is known as "The ship that built Cleveland."

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

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

A majestic hotel that also stands as a historic relic.

The only road through the heart of Glacier National Park.

Spectacular views await visitors to this lake.

A sprawling museum located on the former site of the Orphan Girl Mine.

A smoke stack so large, the Washington Monument could fit inside!

This rustic old building is said to be the most photographed barn in America.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.

An entire town preserved as a historic landmark.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.