The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Harry Potter’s Hogsmeade Station is also a charming blast from the past situated in North Yorkshire.

One of California's oldest continually used high schools has an interesting history, both on and off screen.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

The final resting place of hundreds of Polish airmen who died fighting the Nazis in Britain.

This English medieval castle is where King John died of dysentery.

This lone tower casts an outstretched shadow over the site of a once-wealthy Knights Templar preceptory.

This 20-foot mountain is made up of some 15,000 mannequins—if you visit, you can even take a piece home with you.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The ruins of a 15th-century tower house.

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The largest self-built castle in the U.S., six decades in the making.

Massive still life just off the highway in Kansas.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

Once named the “world’s oldest gas station” due to its unusual construction material.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

On the Irish coast, 18 members of the Howard family are eternally resting in an Egyptian pyramid.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

These 250-year-old wagon tracks are a lasting sign of Dutch migrants crossing the mountains.