Each spring, residents of this Czech town hoist a 'slain' metal dragon onto the city hall to commemorate a local medieval legend

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A pre-Hispanic pyramid in the middle of a tourist district in the Canary Islands.

Behind this pair of dragon trees, there is a tragic story of lost love.

These wooden balconies that are both decorative and functional.

Several petroglyphs are all that remain of an ancient pyramid.

This underwater graveyard commemorates a group of murdered 16th-century missionaries.

A rocky face gazes out over an enormous volcanic crater.

Indigenous cultures believed all life would end if this enormous rock toppled.

Once overlooking the town, this church now resides on a permanent tilt.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

A Spanish forest is filled with mysterious stone carvings.

This extraordinary Viking artifact has traveled throughout the city.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.