The oldest Roman lighthouse still in use.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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

Commonly acknowledged as the only public monument to the Devil himself.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An ancient Egyptian temple in the middle of Madrid, Spain.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

The world's largest military aircraft cemetery.

A museum and shop on Bourbon Street located in the French Quarter.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Stay in a room with a view... of the bottom of the ocean.

A flooded Mexican cave that hides a river beneath the water.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A hugely vast Irish landscape of barren rock that stretches for miles.

When you can't get to the Pacific, just go to Florida.

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.