This historic square in Nepal is home to temples dating back to the third century.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Sacred Buddhist home of some spiritual monkeys.

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

This demon atop the Notre-Dame de Paris looks utterly bored.

This ruined 15th-century hermitage is steeped in myth and mystery.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This one-time health resort was used by aristocrats around the world.

This church also serves as a lighthouse complete with a beacon.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

The last surviving submarine from a strange chapter of Finnish history.

An abandoned textile factory on the "island of crows" was home to Estonia's first workers' strike.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

A medieval setting reimagined into a unique art alley.

The Guardian of Tallinn.

The oldest continuously operating pharmacy in Europe.

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

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.