The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

"I did this all while you were watching TV."

Apparently, the whole cosmos emanates from this plain concrete tower.

When life gave this firefighter a forest fire, he made a rough-hewn sculpture park using a chainsaw.

From a T-rex to a teapot, a cast of artificial fossils illustrates New Mexico's history.

Deadly airliner crash preserved for those willing to climb and pay respects.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

What started as three small gnomes at the base of a tree has grown into a full-blown gnome home.

Booker T. Washington's home at the Tuskegee Institute was a gem of splendor.

This historic chapel was rebuilt after lighting caused the original structure to catch fire.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

A comprehensive collection of toy and model trains, largely from the mid-20th century.

The first space rock known to have struck a human.

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

These ruins are all that's left of the former Alabama State Capitol.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

Underneath this water pump, Annie Sullivan helped Keller speak her first words.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.