This striking, historic hotel has major Wes Anderson movie energy.

A maze of underground tunnels beneath one of the most beautiful forts in Serbia.

A Museum with a collection of 40,000 matchboxes.

Backwards hour and minute hands and a timing mechanism that fluctuates with the temperature led to this clock tower's local nickname.

A naturally beautiful, seemingly bottomless deep blue spring.

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

A fountain standing as a testament to a doomed alliance.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.