Elvis's own personal tropical hideaway.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

No one knows how many bodies are in this vault in a Chicago public park.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

First planned industrial community in the United States.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

The subtle science of a master molecular gastronomist.

World's largest collection of Coke-related items not held by the Coca-Cola company.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

The world's longest known cave system.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

The nearly 200-year-old building displays a perplexing grammatical error.

This restaurant proudly displays bread signed by the 39th president.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

Faces carved into the cliffs create an otherworldly walking trail.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.