An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Ancient man-made caves underneath small town Belgium.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

Banished from town, this local jester concocted a clever return.

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

This memorial museum chronicles the apocalyptic destruction of the First World War.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

Brussels' favorite peeing boy has a sister.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

Cozy basement bar sports an inventory of over 2,000 beers.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Climb inside an iron crystal magnified 165 billion times its normal size.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

This Ukranian fortress is one of the best-preserved medieval castles in Europe.

Get past the gatekeeper's apartment and enter an elaborate hoax of a restaurant with a Masonic feel.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.