Nestled on the banks of a river in Nuremberg is a small museum that was once home of the city's official executioner.

This lurid German fountain plots the sad course of marriage from dating to death.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This historic toy museum brings a little whimsy to a city not usually remembered for such things.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This huge clock made of flowers and simple machinery was once used a political weapon.

World's largest collection of Coke-related items not held by the Coca-Cola company.

Live long and prosper in Tennessee.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The longest navigable underground river in the United States is home to countless blind and albino animals.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

A medical facility that has been kept frozen in time.