Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

An ancient stone fortress considered by many to be the eighth wonder of the world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

Elvis's own personal tropical hideaway.

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

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

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

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The dining hall that nourishes workers in Chornobyl's Exclusion Zone is also open to visitors.

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chornobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.