An abandoned masterpiece of Soviet Brutalist architecture.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

How this choice of tombstone came to be is still a mystery.

The reconstruction of this prominent building fulfilled a long-written command.

A top secret Cold War bunker hidden beneath a Latvian spa facility is now open for tours.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

A temple to modernity, tucked away amid Barcelona's more well known museums.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

"There's nothing there," and other lies the KGB told us.

An unusual collection of self-made musical instruments and unique noises.

A scale model of Russia so big visitors are offered binoculars to rent so they can see the whole thing.

An ever-growing literary collection housed in the apartment where the Russian author penned his final novel.

A shiny sculpture celebrating the mighty mollusk.

This stack of stones honors a murdered 18th-century woman.

This extraordinary Viking artifact has traveled throughout the city.

Nestled atop a wind-swept crag in the Scottish Highlands is a lonely memorial to a beloved hiker.

A curious structure built just for the birds.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

This repurposed church offers a more literal way to get closer to the heavens.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.