This uniquely designed bridge served as the city gate for Comacchio.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

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

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

Furniture tries to escape an abandoned building in San Francisco.

The flow from this waterfall sometimes comes out of springs below its rim.

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

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

These cinderblock farmhouses were actually World War II radar stations in disguise.

The Sun King's military models, saved from the Louvre.

A relic from a forgotten bakery chain still spins atop a diner.

It is locally loved and ridiculed for literally looking like poop.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

One of the largest trees of its kind in California.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

A natural dome made of volcanic glass in Inyo National Forest.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

North America's largest accredited model railroad museum.