It was once the base for a series of domestic terror attacks.

A much-maligned monument to teetotalism.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

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

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

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

A copy of the famous bus used during the filming of 'Into the Wild' is on display at an Alaska brewery.

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

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

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

Commemorating the lives of a renowned humorist and a famed aviator who died in a plane crash in northern Alaska.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Berlin's old airport.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

This watchtower once presided over the Berlin Wall.

Swirling layers of white and red rock earned these mountains their festive nickname.

Cold war icon and onetime "hole" in the iron curtain.