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

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

A jaw-dropping brutalist space church seems to have crash-landed in the middle of America.

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

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

Man-made geyser that rises to the exact height of the Gateway Arch.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

The headquarters of the prestigious World Food Prize celebrates the heroes in the fight against hunger, has no cafeteria.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

Home with Gothic windows featured in a famous painting.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

An urban forest overtakes what was the greatest failure of utopic urban housing.

Giant granite rocks standing end-to-end like a train of circus elephants.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.