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

An architectural oddity hides in plain sight on this iconic London bridge.

Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

For more than 50 years, an iconic sign has greeted visiting “fudgies” to the Traverse City area.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

A single light illuminates one man's overshadowed contributions to street lamp history.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

The artwork commemorates the many ways 20th-century people perished while on the clock.

The first piece of public art dedicated to LGBT rights.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

One of the world's heaviest musical instruments towers within a popular urban park.

The mysterious image is believed to show Edward Hyde, 3rd Earl of Clarendon, in a beautiful blue dress.

One of the only single-person private gravesites in New York City.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

For over 500 years this timbered alms house has provided a home for elderly residents of Coventry.