The most visited, and possibly most controversial, museum in Germany.

This 18th-century project to build the world's tallest gravity dam was never completed.

The taxidermy remains of the first brown bear to enter Germany in 170 years.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

Spain's largest bullring offers a unique glimpse at architecture and history.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

The world's largest maze is a nature park with nearly 200 decision points.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

The 1852 novel "Uncle Tom's Cabin" lends its name to a subway station, a street, and several shops on the edge of Berlin.

Floating swimming pool within a moored vessel.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

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

One of the most controversial statues in Romania is an emperor with no clothes.

A memorial museum to the political prisoners who were held at Sighet Prison, once one of the most feared places in Romania.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."