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

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

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

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

In this truly magical place, rent hasn't been raised since the year 1520.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This historic stone bridge has an entire neighborhood clinging to its sides.

A small but immensely extravagant palace built by the "Night King."

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

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

A striking 12th-century-style castle built on the edge of a cliff.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The fairy tale castle of the "fairy-tale king."

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

A public urinal so pretty, it was declared a national monument.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

Museum preserving torture methods from the past.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.