Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The oldest experimental corn field in America is still creating better ways to grow crops.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

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

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The tiny Spanish village that long refused to change its outrageously anti-Semitic name.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

"We Seceded Where Others Failed."

A monument celebrating the idea of reaching inaccessible places.

A bronze sculpture of Lenin’s likeness outside Havana surrounded by 12 human figures in solidarity with the Bolshevik Revolution.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

An icon among Florida's pre-Disney tourist attractions.

Former wax museum from the 1960s, home to many wax U.S. Presidents and the famous White House miniature.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

Century-old shop, specializing in Occult products.

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

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

Huge masonic hall in Philadelphia with lavishly themed rooms.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

The smallest post office in the United States is no bigger than a broom closet.

A mysterious castle built as a monument to lost love.