A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

Considered by many to be one of the most dangerous highways in Alaska.

Concrete strongholds stand guard over the Golden Gate.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

Rare recess caves fill this unbelievably beautiful Ohio park.

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

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

A gas station has taken the place of the home of the 19th American President.

Abandoned former poorhouse, bible college, and haunted house in an Ohio hamlet.

An office built to look like a giant basket.

As state high-points-by-elevation go this spot is one of the lowest, but for years it was also the hardest to climb.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This nature mural exists to protect the surrounding environment and its own canvas from destruction.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

A fitting attraction for the corn capital of the world.

One of the first intercontinental ballistic missile sites in the United States.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.