An avant garde art museum at the University of Chicago.

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

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

The world's longest known cave system.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

Gargoyle head that brings good luck.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

The second oldest continuously operating bar in Louisiana.

See massive fossils that are over 200 million years old in northeastern Arizona.

Khmer Rouge's high security prison.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Wisconsin's most celebrated export gets the royal treatment on I-94.

A wall of chewing gum moonlights as collective art.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum and tribute to a brave profession.