This 150-year-old train station and caboose have been turned into a railroad museum, enjoyed by young and old alike.

Said to be haunted, this tower was constructed by a sugar importer as a gift to his wife.

Series of storm drains connected to a dark urban legend.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

A sign marks the plane crash that caused two nuclear bombs to fall in North Carolina.

This unique museum focuses on the Siege of Sarajevo through children's eyes.

This unusual hostel provides a glimpse of life in a city under siege.

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

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

The largest ancient burial mound in Ohio.

The largest earthwork effigy in the world.

A reimagined 19th-century Acadian village featuring authentic Cajun-style homes filled with artifacts specific to the period.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Striking images of New Orleans history, including colonizers, soldiers, Klansmen, scientists, sharecroppers, and more, are depicted in frescoes that line the walls of this transportation hub.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

A mailbox that saved a nature reserve.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

These eerie outliers of the lightning bug family glow a mysterious blue color.