The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

The ghost town where the villagers refuse to leave.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Giant marble phalluses on the sacred island of antiquity.

A spectacular cave and a beguiling lake.

The Gaslamp District's oldest bar sports a urinal marked with a golden plaque that was allegedly used by Mick Jagger.

A symbol of Texas pride.

This theatre was made famous after Lee Harvey Oswald was captured inside watching a film.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Spain's largest bullring offers a unique glimpse at architecture and history.

The final resting place of the great navigator, or maybe his brother.

This abandoned mansion has a window for every day of the year, and is a temple for ghost hunters.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

Sip cherry liqueur at a bar dating back to 1840.

Eat the ultimate iteration of Portugal's most beloved pastry.

The best place in the world to buy tinned fish.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This iconic meat-and-three seasons every dish with ancestral cooking knowledge from South Carolina’s Lowcountry.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Only hotel where you can legally launder money.