More than 5,000 contemporary and "historic" mustards from around the world.

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

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

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

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

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

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

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

The oldest extant wooden jail in South Dakota and possibly the United States. 

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

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

This massive roadside mascot was the first version of the giant to illustrate his butt.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

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

Just a man taking his prehistoric pet for a stroll.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.