Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

The largest of London's subterranean rivers and once a mad, bad center of London life.

Eclectic final resting place of the controversial explorer.

A beautiful final resting place for some of the noteworthy deceased.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

This wooden hotel is a temple to German sustainability and forest conservation.

Model Trains and Much More in Hamburg.

Located in a beautifully restored ice house, this museum is the result of decades of hard work and devotion to the craft of plumbing.

The pleasant woodland cemetery that has inspired more than its fair share of wild legends.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

This wooly sculpture supposedly marks the birthplace of a famous nursery rhyme, or not.