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.

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

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Rare karst landscape eroded from a flat seabed.

New Zealand's only running funicular railway.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Come for the flowers, stay for the bats!

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A beautifully eclectic mix of architectural styles.

One of the world's heaviest musical instruments towers within a popular urban park.

Berlin's old airport.

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

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Hear the quietest sound from across the dome.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ghost town in Belgium will lose its street art when it ceases to exist.

Brussels' favorite peeing boy has a sister.