This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Moonbows over Kentucky.

The first KFC is on the National Register of Historic Places.

This huge clock made of flowers and simple machinery was once used a political weapon.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

A full-scale replica of a 1774 colonial settlement in Kentucky.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

A walk through the historic city center, under the streets of Seattle.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Once in disrepair, the house where the 1983 film was shot has been restored and turned into a museum.

Nature's biggest mammal swims in landlocked Oklahoma.

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

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

This ever-changing arrangement of naked dolls even caught the attention of "The Walking Dead" crew.

Discover a captivating display of memorabilia from the iconic movie 'Gone With the Wind.'

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Like Mars, but much closer.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

An ornate Buddhist temple located in an Atlanta suburb, built by and for the Laotian community.