The oldest building in Charleston was used to store gunpowder during the American Revolution.

The country’s largest collection of southwestern jewelry, along with contemporary Native American art.

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A downtown park built on top of unclaimed graves.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

A multiversal transit station located right below a highway interchange.

This Rodin sculpture in Cleveland bears the lasting marks of a 1970 bombing.

Engraved in stone here are the signatures of everyone who signed the Declaration of Independence.

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.

The last remaining vestige of a popular 1999 public art display.

Chicago’s last original drive-in restaurant is a family-run hot dog joint that started in 1948.

These ornate, fish-shaped water spouts guard Savannah’s historic facades.

An Egyptian-revival style film house in Boise, Idaho.

A hidden oasis just north of Chicago's Chinatown.

An eerie natural formation that looks right back at you.

Romance fans worldwide make the pilgrimage to this group of historic covered bridges in rural Iowa.

The Lincoln Memorial has inspired many, even though a word on the inscription appears to be spelled incorrectly.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This was once the largest four-sided clock in the world (yes, even bigger than Big Ben).

The only thing these street signs will help you navigate is your imagination.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

Meet 'Big Josh,' the 20-foot-tall muffler man.

Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.