Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

This museum started by a curious collector is now a place for believers and skeptics alike.

These otherworldly limestone formations jut out from the Kansas prairie.

This early pioneer landmark is one of the oldest buildings in this part of Kansas and one of the few Dutch mills ever built in the state.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

This tiny old water tower once doubled as a makeshift jail.

A stockpile of childhood lunch pails turned collectibles.

A herd of plastic cows hangs out under this transmission tower in rural Georgia.

Bad farming practices caused this unnatural natural wonder.

Designed by famed architect Horace King.

An ode to this small town's big film history.

A pink and gray pair of pachyderms advertise a fireworks shop.

A statue honoring 44 continuous years of greeting passing ships.

A monument to one of the few Olympic flames ever to be lit outside of the host city.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This quirky curiosity shop takes its cues from the world's bazaars.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

An abandoned munitions storage facility with a rich architectural history.

This folk art compound was built by a fortune teller on the advice of three people from the future.

A mural in rural Georgia welcomes visitors to a fictional Missouri town.

This old building has served as a bank, post office, library, and city hall.

The Okefenokee Swamp houses this "incredibobble" tribute to the creator of America’s favorite cartoon possum.

A neighborhood grocery store established a local civil rights leader.

Constructed in 1892, this Hinesville jail is now an art gallery.