The 25th President's marble casket can be visited in this classical Ohio tomb.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The hometown of movie legend, military officer and All-American guy next door, honors this great actor.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

The legacy of baseball great Roberto Clemente is preserved in a retired Pittsburgh fire station.

A memorial honoring those who perished in one of the worst construction disasters in U.S. history.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

Eulogizing an unknown man's unusual demise.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

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When flour explodes, it's not a pretty sight.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This water tower has been a staple of the Rochester skyline since 1931.

Ever wanted to can Spam?

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

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

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

An abandoned stretch of highway, deteriorating next to the operational one.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

The overgrown remains of one of the premier auto-racing speedways in the Midwest—and also one of the most deadly.

Largest magic museum in the United States with more than half a million pieces of memorabilia.