This Czech military museum is home to pink tank that was once a symbol of art and political rebellion.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

Artists have long been drawn to these atmospheric 12th-century ruins.

Khmer Rouge's high security prison.

A bloody history is captured in this former prison turned museum.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

This pair of Australian "waterfalls" appear to be falling straight across the land.

There's a lot of horsing around on this lonely stretch of Australian highway.

A remote forest of stone pillars along the Lena river.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

This volcanically volatile island town is home to an abandoned series of tunnels left by the Japanese during WWII.

The largest collection of historic military firearms in the United States.

Its incredible collections are dedicated to preserving Mexico's film history.

The most southern point you can drive to in the Western Hemisphere.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

This museum is housed in an unassuming building that witnessed one of the most daring feats of satire in modern history.