An oddities shop with incredible permanent displays on top of its collection of purchasable curiosities.

Electrical pylon in the shape of Disney's beloved mouse.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Pay your respects at the final resting place of the man behind one of the best-known names in food.

Known as "The Dome" this is the world's largest open air geodesic dome.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

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

Check out the 125-pound chocolate reindeer in the back of this candy shop.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

There's a crumbling old mansion inside the Smithsonian National Zoo.

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

A 140-year-old castle with underground caves hidden in San Francisco.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The largest earthwork effigy in the world.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

Rare recess caves fill this unbelievably beautiful Ohio park.

The mounds at this site were reconstructed with the help of archaeologists and historians.

The spectacular collection of one of the world's best woodcarvers.