Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

Built in the 1920s, this co-op in the Bronx feels more like an Italian villa than a typical New York apartment building.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

Glacial erratic or man-made dolmen? It probably wasn't druids.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

Dine like an American revolutionary at Colonial Williamsburg.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

These quintessentially English stepping stones were built for Victorian tourists.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The ruined abbey includes a rare surviving example of a monastic latrine.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Eyam took steps to quarantine themselves and keep the plague from spreading.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

Elevated freight railway turned wildly successful urban park.

Step inside Lucy, the world's largest "elephant."

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

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