Miraculous tree that seems to sprout out of solid rock.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

A tunnel of hardened lava along Maui’s famous Road to Hana.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

The center of the only hemisphere that awards visitors with a commemorative coin.

A sculpture for the sun and stars, created by Nancy Holt.