An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A restaurant and observation deck built in a unique broadcasting antenna.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This charming candle shop has been in business since 1789.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

This museum is dedicated to the most famous Irish writers in history.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

This supermarket offers shoppers a window into the past alongside their groceries.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

Copenhagen's celebrated theme park and gardens.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Will Geer's outdoor theater started as a mountain retreat for actors, musicians, and other artists who were blacklisted during the Red Scare.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Built for an exposition in 1915, these horticultural displays have stood the test of time.