A small memorial to a deadly night in Serbia that shook the world before it was swept under the rug.

This feat of Brutalist architecture is also known as the Three Sisters.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

An Ottoman-era mosque looking over the Black Sea.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A fountain standing as a testament to a doomed alliance.

The only building in Kazakhstan where symbols of sovereignty are collected under one roof.

An entertainment center in a huge transparent tent.

Iconic pyramid from famed British architect Norman Foster designed to represent all of the world's religious faiths.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.

Time capsule of a museum, in which the Soviet Union remains alive and kicking.

This retro, UFO-like structure is a remnant of the Soviet-era circus.

Once a luxurious flagship of the Soviet Union, this Brutalist structure remains a landmark of Tashkent’s communist past.

The world's second-tallest flagpole stands proud despite dropping rank.

Resonant stone, that has been played since prehistoric times.

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.

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

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

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

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

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.