The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

Spanking machines, fake goats, and more devices of humiliation are on display in this museum of fraternal initiation devices.

Cold War missile launch site which has been converted to a public park.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A chance to follow in the footsteps of the word's most legendary animator.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The final resting place of the world's first nuclear reactor.

The world's largest collection of the world's largest objects is in one small Illinois town.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

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

A gothic church spire sits atop this skyscraper, the tallest church in the world.

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

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

This shop for all your super spy needs hides an educational secret.