Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A strange house built only at night, with rumored mystic inspiration.

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

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

The first safe in this California town had to hold all the gold.

The stately birthplace of California's statehood.

This remarkably simple jail went over a century without an escape.

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

The oldest continuously operating church in California.

A tree grown from astronaut seeds which were exposed to cosmic rays.

A poignant memorial to a young boy whose death spurred a dramatic increase in organ donations in Italy—dubbed the "Nicholas Effect."

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

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

This historic graveyard was partially paved over to create a streetcar line.

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

One of the largest trees of its kind in California.

The blinking light atop the iconic landmark has been sending secret messages for decades.

These unusual houses look like giant boats that washed ashore on a residential street.

The unbelievably opulent home built for an infamous newspaperman.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.