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

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

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

Mysterious hillside with a continuously burning natural fire.

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

Look up as you explore Baku’s old town to find a monument to the local feline population.

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

Foreign invaders almost left this lovely Caucasus palace alone—almost.

This magenta statue commemorates the legendary marriage between a mermaid and the city's founder.

Healing waters from a holy well, previously used by locals for doing laundry.

An ancient Roman relief beautifully preserved on the façade of a house.

The official motto of Luxembourg reminds passersby of the Luxembourgish commitment to their national identity and sovereignty.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

This fairytale house on the shore of a Chilean Lake oozes an eclectic mix of Chilote and German Cultural heritage.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

A 300-foot-long Cold War submarine floats in a Chilean River as a maritime museum.

Spanish religion mixed with local architecture has yielded a network of churches unlike any other.

The tragic heiress Barbara Woolworth Hutton built her seventh husband this Japanese-inspired palace in Mexico.

An underground city of salt.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A pair of gigantic baby heads greet passengers at Atocha Station.