A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

This inn of the court provides a fascinating window into London’s legal and architectural history.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

A blunder resulted in these charming stone-lined streams becoming the target of a Nazi bombing.

Europe's only Temple of Mithras located in a natural cave.

This hidden fire lookout offers spectacular views of Sequoia National Park.

Could it have picked a better place to land?

This remote fort on the Yukon River is a vestige of the wild Alaska gold rush.

An unassuming secret door once led to a legendary watering hole.

At Brandy Station, Civil War soldiers left their mark on the battlefield and the walls of this small wooden house.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

A secluded green oasis amidst the towering skyscrapers, bears an unusual moniker that reflects one of the city's oldest guilds.

It's believed Matilda Fitzwalter's life was the basis for the famed literary figure.

Near this allegedly haunted pub, you can find strong spirits on the rocks.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Once the center of a thriving early Black community called Martinsburg.

An abstract representation of weather in Sweden.

The only place for a truly presidential dram.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

4,000 monkeys used for medical testing on an island off of South Carolina.