It's good luck to be mocked by this monkey.

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

When this former hospital pharmacy closed in 2013 it already looked like a museum, so they turned it into one.

Ancient catacombs form the foundation for this Rococo orgy of a church.

A hidden three-foot-wide house separates these two regal churches.

The stunning interior of this Gothic church is covered in ornate gold details.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

This castle has links to Portugal’s founding and struggles for independence.

A historic Christian shrine nestled within a spectacular natural cave.

A spectacular walk on the flank of a gorge.

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

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Brussels' favorite peeing boy has a sister.

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.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

Things seem to roll, flow and run uphill on this short patch of road near Ariccia, Italy.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

The final resting place of George Washington's Grandma.