Stone Age solar temple is aligned with the sun on each equinox and solstice.

This hilarious English intersection is an automotive whirlpool.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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.

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.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

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

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Singapore's oldest Hindu temple.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Singapore's landscaping project is home to 18 incredible Supertrees.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

Copenhagen's celebrated theme park and gardens.

Once a meeting point for great thinkers, and the midpoint of the country.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

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

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

The adorable animals return to this nature reserve every fall to give birth to their pups.