Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Extraordinary objects lurk in this quintessential regional museum.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

At 207 feet, one of the world's longest continuous escalators.

One street divides a single town that stands in two U.S. states.

The highest point in Virginia can only be reached by passing through ponies and flowers.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

A historic dam made famous for its turbines and feature in a Hollywood classic.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The record holder for the world’s largest peach.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

A giant cement churn carries the legacy of American resilience, unity, and greed.

Dedicated to the history of the health sciences.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

Paths are maintained, but trees have taken over plots.

Island where motor vehicles are banned -- home to the only carless highway in the United States.