Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

A striking 12th-century-style castle built on the edge of a cliff.

An Iron Age hillfort rooted in Arthurian legend was made famous by musician Peter Gabriel.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

Follow the original medieval paths that wind through this intriguing section of the city.

From Nunavut to Tierra del Fuego, you won't find any lighthouse higher than this one.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

It's just another skyscraper, but it's shaped like '90s cell phone.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

These tiered rice paddies were carved into the hillsides 2,000 years ago.

The remains of an abandoned air force hospital located on a redeveloped Air Force base.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This super-sized statue is the only public memorial to the deal that ended America's neutrality during World War II.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

Four-story concrete hotel never opened to customers.

This whimsical stacked cabin looks like something out of a children's book.

A suburban street in Anchorage doubles as a runway, and each home has its own airplane hangar.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

The king of U.S. high points towers over every other peak on the continent.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.