A monument to the sheer amount of oddities one can collect over a lifetime.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

An eclectic store sells obscure vinyl recordings of Charles Manson and Jim Jones, along with many other oddities.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Absolutely no saxophones in the library.

The last refinements in the North Carolina-South Carolina boundary were marked with this stone.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

With more than 2,000 pieces, this is world's largest collection of artwork inspired by Leonardo da Vinci's 'The Last Supper.'

How did a massive marine arthropod find its way to landlocked Ohio?

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

A vast array of tropical plants collected by a vacationing couple.

A permanent outdoor art installation made up of more than 100 mushroom-shaped lights.

A likeness of Da Vinci's mysterious painting smiles at passersby from the side of a barn.

When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.

This fallen red oak tree has been transformed into a piece of trailside art.

A different Edgar Allan Poe built this charming Victorian home.

A rusted metal giant pays tribute to Birmingham’s industrial past.

The largest dinosaurs in the world, kissing above the highway.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

This hollow steel globe is the second-largest in the world.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

A library where thousands of books explain how to avoid another Great Recession.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...