Mysterious craters may have been home to an ancient cult.

Man-made mineral caves house massive bat colony.

Hundreds of small crosses have been carved into the bark of the trees outside this small Estonian village.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

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

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

The Guardian of Tallinn.

A former imperial sea-fortress and Soviet prison.

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

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

The secret cells in the basement of the KGB's Estonian "Grey House" have been preserved as a grim Cold War museum.