The singer, actor, and activist lived here during his final years, and now it’s a museum dedicated to his legacy.

The oldest surviving botanic garden in the United States.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The oldest surviving presidential residence in the United States.

The Ryerss mansion in Burholme Park now houses a community library and a museum filled with a trove of oddities from around the world.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

Among the may artifacts on display is a clock made of 50,000 individual pieces of wood.

The smallest and oldest covered bridge in Delaware.

The tombstone of the founder of the lost town of Ogletown is now stuck inside a traffic median.

Once used as a deterrent to drinking alcohol.

The world-record holder for the longest bridge stretching continuously over water.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

A failed piece of Orientalism has become the proud symbol of a community.

In which a local geological marvel becomes a quaint roadside attraction.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A rural colonial settlement that contains the remains of a store and cooper.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This stone incorrectly marks the 35th parallel, causing some territorial kerfuffles.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.