A large boulder was declared a local landmark by a popular vlogger.

A statue of the Soviet leader still stands in a quiet corner of Estonia’s most Russian city.

This Estonian watchtower looks like a big tree with two giant bird nests on it, complete with a "golden egg."

Inside this medieval church resides a unique set of murals.

Its collection offers a glimpse into the Russian Old Believers' centuries-old way of life.

First point in the Struve Geodetic Arc, a 19th century undertaking to measure the Earth's size and shape.

A historic scientific breakthrough that crosses nine borders.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

Spend your honeymoon where the Devil had his wedding.

Visitors can sit and study the board with this Estonian chess legend and International Grandmaster.

This 16th-century cemetery became a recreational park during the Soviet occupation—today it's a little bit of both.

This behemoth bovine guards an Estonian town and is a memorial to the lost species.

The widest natural waterfall in Estonia is a sight to see in all seasons.

This stunning limestone waterfall is the highest in Estonia.

A series of concentric circles represented a bold new experiment in socialist urban planning, and it notoriously difficult to get around.

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

For the last century, this international border within a small town has appeared and disappeared various times.

The Guardian of Tallinn.

An underground nightclub helped spark a "Singing Revolution."

This soviet pilot's graveyard is filled with headstones made of airplane fins.

This old Estonian mine has been kept like a sprawling time capsule of the local shale industry.

A former imperial sea-fortress and Soviet prison.

The oldest continuously operating pharmacy in Europe.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.