A monument celebrating the idea of reaching inaccessible places.

A perfect circle of 24 mysterious holes dates back to prehistoric times.

Found: Garden of Eden in Miami-Dade County, Florida.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

It took 28 years to build this massive statue of the Hindu god Vishnu riding a mythical bird.

Northern Europe’s largest castle ruins sit precariously on an island cliffside.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This public observatory is home to the "celestial cannon," the longest pointable telescope in the world.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

This monumental work of art symbolizes the coming together of a previously divided city.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

The first, and perhaps only, monument dedicated to Wikipedia.

An abstract and eyecatching clock/fountain is the centerpiece of this little-known German city.

This Greek Orthodox church houses the mummified body of St. Spyridon.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

This museum houses and extensive collection of technology contributed by the Polish people.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

A pair of oily black spiders lurk inside South Korea's largest airport.

One of the largest amphitheaters in Europe is a former Nazi German gathering place that still stands today.

An abandoned football stadium with a tragic past.

Visitors to this museum will find architectural oddities, an art gallery, and an unlikely bird sanctuary.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.