Places mpudvar Wants to Go

The Guardian of Tallinn.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

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

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.

This set of concrete chambers resonates according to different notes of octaves.

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

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

A former imperial sea-fortress and Soviet prison.

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

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

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

Abandoned Soviet base once stocked with short and medium range missiles pointed at western Europe.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

A miniature baseball stadium honoring Johnny Rosenblatt Stadium, home of the College World Series from 1950-2010.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The remains of the medieval wall that once surrounded Paris with ties to the construction of the Louvre.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The first green space constructed on an elevated viaduct.

Indents in the pavement are all that remain from a grisly death machine in Paris.

This oddly shaped boulder in Paris is rumored to be cursed.