The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

This chimerical bridge/tunnel appears to dead end right into the sea.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

The two massive guns that defended Cartagena Bay.

The world's first electric battery-powered submarine.

This clock is an architectural flourish that stands out as a landmark among a unique Israeli German community.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The South African dialect's complex history is immortalized in stone, in one of the world's only monuments dedicated to a language.

A seemingly desolate park that belongs to two countries actually supports all kinds of wildlife.

“The oddest pub in South Africa,” inspired by a practical joke.

South Africa's postal service began with a letter left in a boot beneath this tree.

Largest cave system in Africa.

Sculpture park built by a 50-year-old widow.

The world's largest impact crater is mainly eroded but still remembers the planet's violent history.

A safari-themed castle in the South African bush with the largest maze in the southern hemisphere.

Home to some of the oldest hominid fossils ever found.

Caves that can't seem to quit producing the remains of prehistoric humans.

It's estimated that half of the world's gold was mined from South Africa's "golden arc."