This building contains a door only used by members of the royal family.

Near the site where the English Archbishop was born, you can find an emblem in the shape of a pilgrim's badge.

The unfinished final resting place of some of Spain's most prominent politicians.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

This postmodern apartment block was designed to be a vertical neighborhood.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

A lush indoor jungle fills this bustling Madrid transportation hub.

A forest park outside Tallinn full of architectural and artistic curiosities.

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.

Hundreds of signs pointing to the birthplaces of current Helsinki residents form stalactites on the ceiling of the cave-like Kamppi metro station.

One of the oldest structures in Helsinki is this burrow grave that dates back to the Bronze Age.

Atop this electronic store resides a massive fighter jet.

This former hospital was once one of the oldest mental health facilities in Europe.

This building featuring Brutalist architecture has a rich media production history.

On a small island, a replica of a Finnish village from the Iron Age.

This restaurant combines two Finnish traditions in one place: warm-weather relaxation and outdoor carpet-cleaning.

No matter how many times this community-run sauna gets destroyed, it always rises from the ashes.

Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

A small island dotted with old, historic Finnish buildings.

A collection of collections ranging from dentistry to minerals.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

Dedicated to the untimely death of American balloonist and parachutist.