A tiny museum dedicated exclusively to the tiny art that decorates matchboxes.

The ruins of a medieval monastery built on a perilous slope.

An unusual double-stelae obelisk with ancient and mysterious origins.

Giant stone letters dedicated to the founder of Armenia's alphabet.

This small shrine is dedicated to the designer of the first Russian fighter jet and his brother, who became Chairman of the Presidium of the Supreme Soviet.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

A quirky house created entirely out of glass bottles combines a collector's spirit with an artist's flair.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

A massive collection of petroglyphs dating back some 40,000 years.

Mysterious hillside with a continuously burning natural fire.

A shrine of fire worship built on top of a natural flame.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

Swirling layers of white and red rock earned these mountains their festive nickname.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A unique museum dedicated to culture and artistry of carpet weaving.

What might be the largest completely Jewish town in the world outside of Israel now faces dwindling numbers and empty streets.

Europe's second largest ossuary wasn't discovered until 2001.

A cheeky architectural easter egg.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.