This elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

Rising from the sea like a stone monster.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Colorful umbrella-covered trees in Singapore's Little India look straight out of Dr. Seuss.

The largest collection of Indigenous Australian artifacts in the world, and the rare museum where wood-and-glass cabinets have trumped interactive exhibits.

A wealth of plants and horticultural curiosities fill this charmingly antique museum.

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

Model Trains and Much More in Hamburg.

A war-torn Olympic relic is being overtaken by graffiti and nature.

One of downtown Berlin's last reminders of its Communist past.

Cold war icon and onetime "hole" in the iron curtain.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

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

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.