A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Megachurch turned Catholic church comprised of 10,000 glass panes.

San Diego's most historic and haunted home.

Oldest building in California still in use.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

Baroque celebration of the end of the Great Plague of Vienna.

Handsomely crafted representations of our round planet.

The final resting place for the remains of 143 Habsburg royalty.

The beautiful baroque library of the Hapsburg empire.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The Habsburgs' royal collections of art and wonders.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Colorful and chaotic stacked hotel in North Holland.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A beautifully eclectic mix of architectural styles.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

Furniture tries to escape an abandoned building in San Francisco.