A sarcastic monument threatens to curse any "idiot" who dares remove it.

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

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

Research missiles and rainbow auroras at the world's largest land-based rocket range.

This junkyard made over as a theme park is the "Most Alaskan place in Alaska."

A rare kind of blue bear can be found chiefly in the national park that shares their name.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

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

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

Four-story concrete hotel never opened to customers.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

A trading post in the North Pole where children send letters.

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

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

A line of blue paint marks the route of the inaugural parade.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Washington's iconic carousel has a nice piece of Civil Rights history.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.