Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Baroque celebration of the end of the Great Plague of Vienna.

Despite producing just a handful of movies, a brave and lyrical filmmaker has an entire museum dedicated to him.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

A geological oddity topped with a 2,000-year-old pagan temple.

A Turkish monastery tucked into a cliff wall.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

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

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.

The Guardian of Tallinn.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

This abandoned fighter jet launch center is now a haunting street racing course.

A black cat protests the City Guild in Riga's Old Town.

3,000 market stands in five former Zeppelin hangars.

Flamboyant architecture from the turn of 20th century.

An alien church provides much needed silence in the midst of a Finland shopping center.

A former imperial sea-fortress and Soviet prison.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

The gutted remains of this Estonian mansion are a monument to a tragic love.