Commonly referred to as the most photographed Victorian home in the United States.

This little museum has an exhibit devoted to the elusive forest denizens.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

This municipal playground was co-created by the father of one of the most playful characters ever.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

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

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

The southernmost outpost of the Russian Empire in colonial America.

340 bicycles, 65 feet high.

This massive redwood tree has a hole in the base big enough to drive through.

A trash dump made beautiful by nature's power.

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

The famous artist couple lived and worked here, in two different houses separated by a bridge.

The world's brightest bioluminescent bay.

New fungal and bacterial species call this deadly lake home.

The most powerful waterfall in all of Europe.

Medicinal spa created with the discharge from a geothermal energy plant.

Hindu temple of the dead home to hundreds of long-tailed macaques.

With its vast selection of books, comics, and records, this nearly 70-year-old open-air market always rewards the patient browser.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

The massive machine creates cracking displays of indoor lightning.

Two thousand artifacts from around the world collected by one woman who loved to travel.