Massive mounds of golden sand look like a desert landscape randomly plopped in an Arctic forest.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

This general store is a one-stop-shop for workers at the Prudhoe Bay oil field.

North America's first frozen mummified remains of an ice age steppe bison, the 36,000 year-old mummy named "Blue Babe."

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

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

Considered by many to be one of the most dangerous highways in Alaska.

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

Historic medieval fortified city in southwest France.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

This ancient Silk Road outpost overlooking the Wakhan Valley is miraculously still standing.

The most alien-looking place on Earth.

This picturesque round lake is said to be home to the legendary Mokèlé-mbèmbé.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Micro-nation based around a nine-story high illegally built tower.

The world's first combination ski slope and power plant.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

This modernist tower was saved by a fraternity with a 500-year-old penchant for shooting at wooden parrots.

A public display of random paleontology.

An eccentric inventor's castle home with its own indoor weather system.