Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

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

The remnants of the base where US Army troops learned how to fight in extreme conditions.

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

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

The victims of a free-floating Japanese bombing during WWII are remembered by this stone monument.

See the nearly two-century-old ruins of pre-railroad America at the former site of a lock on the Ohio and Erie Canal.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

The maritime museum that boasts the largest nautical library in the western hemisphere.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Memorializing an American tragedy of massive proportions.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Only hotel where you can legally launder money.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

This restaurant proudly displays bread signed by the 39th president.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.