America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Dr Barnes' $25 billion private collection of art and arboretum.

The oldest restaurant in Portland serves fiery coffee cocktails and an astounding amount of turkey.

A sculpture of a salmon swimming through a brick building.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

The world-record holder for the longest bridge stretching continuously over water.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

New Orleans' famous cemetery, located on the site of a former race track.

Live long and prosper in Tennessee.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A bizarre roadside attraction and the first instance of miniature golf in the world.

More than five miles of underground passageways.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

A Memphis park where you can walk the whole Mississippi River in one go.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This ancient settlement contains some of the largest earthen mounds in North America.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."