A reproduction of earth's many biomes.

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

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

Nature's biggest mammal swims in landlocked Oklahoma.

When you can afford only half a road, you build only half a road.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

A unique attraction and museum dedicated to exploring iconic roadside structures.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

An homage to everyone's favorite prehistoric cartoon family.

This former coal gasification plant found a curious second life as a popular public park.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

HFH's slum simulation is either a noble recreation of poverty or a cringeworthy attempt at same.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

A mysterious echo seems to defy the laws of acoustics.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

A large collection of motorbikes with some impressive gems.

A giant concrete egg marks this Indiana town as the "Egg Basket of the Midwest."

A rural hall of justice holds the world's only comic book and superhero museum.

A concrete block embedded with thousands of pulled teeth was created by a local dentist to memorialize his dog.