According to legend, this boat-shaped henge is built over the grave of a mythic king.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

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

This spooky statue sits outside a famous Prague theater.

Macabre astrological automaton clock dating to the late 1400s.

A striking public sculpture representing the period of martial law in Communist Poland.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

The silly symbol for an underground protest group is now scattered around the city.

The world's longest and deepest train tunnel.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

These spooky and unusual stone formations create an underworldly landscape.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The bears of Bern have been a city highlight for over 500 years.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

In one of the world's smallest countries, a royal's personal winery is open to the public.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.