This 17th-century Portuguese fort now houses a nautical museum.

This public elevator links the lower city to the upper city of Salvador.

An art museum with an eclectic design and a scandalous past.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

A fortified palace in the shape of a ship on the Thiou river.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

One of the best places to see wild Colonial Spanish Mustangs in the United States.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Elvis's own personal tropical hideaway.

A Memphis park where you can walk the whole Mississippi River in one go.

This replica of the Greek structure is in the heart of Nashville.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

One of the most iconic neon ads of former East Germany.

A museum celebrating the mineral used to make ornate, carved tobacco pipes.

Come for the speed, leave in love with the desert.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.