View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

The hallucinogenic center of the ancient world.

One incredible room in the Santa Barbara Courthouse is covered in wall-to-wall canvas murals.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Inside the Wayne County airport is an amazing collection of lights and sounds.

A homage to the King at the hotel where he revived his career.

Elvis's own personal tropical hideaway.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

This two-room shotgun shack in Tupelo is the birthplace of a King.

This colorful gate stands as an entrance to the walled city of Old San Juan.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The ruins of the first Spanish settlement in Puerto Rico.

The mounds at this site were reconstructed with the help of archaeologists and historians.

A natural arch offers panoramic views of Yangshuo's karst hills.

The world's largest natural arch was forgotten for over 50 years after its discovery.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Dozens of rockets and missiles are on display outside a testing facility in the Utah desert.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

The last SR-71 ever constructed.