When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Not your typical pet cemetery.

This tucked-away cemetery is the final resting place of a prospector who uncovered one of the largest gold mines in Arizona.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Go inside to really appreciate this 500-year-old technological masterpiece.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This stunning concert hall has become a symbol of Iceland's national recovery.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

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.

The video game-themed street art first popped up in the French city.

This bridge was constructed from the rubble of the infamous Bastille.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Paris' linguistic guide to the international language of, yes, love.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.