An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

These aggressively sustainable art homes look like something out of 1970's science fiction.

The oldest continuously occupied public building in the United States.

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

World's smallest skyscraper, the product of a remarkable con.

This downtown Dallas art installation is always on the lookout.

A symbol of Texas pride.

Official museum, hall of fame, and repository of the Texas Rangers.

A free museum that memorializes the deadliest river flood in American history, and the civil engineering efforts to tame the Mississippi River.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

A Muppet museum in small-town Mississippi honors the roots of Jim Henson's most beloved creation.

When ecosystems collide in the arid Southwest.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

A celebration of the animation wizard's childhood home and antique railroad memorabilia collection.

What better place to take a seat?

A 30-foot-tall cement chair pays tribute to a historic design and a local industry.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

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