Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The ghost town that ended up on Ebay.

The drama of nature in full effect in this Nevada State Park.

10,000 flowered plants bloom in the City of Roses.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Explore 10 acres of environmental sculptures.

A museum dedicated exclusively to the lore and history of ouija boards.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Instead of fruit, the branches of this tree are brimming with hopes and dreams.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A tribute to Ponce de Leon's supposed quest for eternal youth.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

One of the oldest living oak trees in the Southeast.

The ghostly remains of an accidental sea.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.