Once part of a living village, these buildings now house exhibits showcasing historical aspects of life in Ireland.

This magenta statue commemorates the legendary marriage between a mermaid and the city's founder.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

Ancient barriers wrap around what was once an important stop along the Silk Road.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.

The remains of an abandoned air force hospital located on a redeveloped Air Force base.

This iconic clock tower is the largest in the Philippines.

Where Venice's gondolas go for a tune-up.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

This splendid tomb may look fantastic, but there's nothing in it...

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

This historic floating crane became an unlikely symbol of the port of Trieste.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

A brick building in Kathmandu's Durbar Square is home to Nepal's most prominent living goddess.

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

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

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

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

A fortified city, home to a remaining population of five families

This vast masterpiece of Moroccan architecture spreads across 20 acres.