The only arched bridge made of stone on the entire Mississippi River.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A giant Troll lurks under one of Seattle's oldest bridges.

This Alaska library may be the only one in the country that allows you to check out pieces of taxidermy.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A spiritual vortex among the red rocks in Sedona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The atmospheric road was never meant to be so creepy.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The only rotating bar in New Orleans has been slowly spinning since 1949.

The second oldest continuously operating bar in Louisiana.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

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

A cemetery housing wild west legends in South Dakota.

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

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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