Three hundred years of preserved Spanish colonial history in San Antonio.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A hollow cement depiction of time's inexorable effect on the human body.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

An enormous park-like oasis, full of famous Chicagoans' graves.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

One of the best absinthe distilleries in the United States.

An art collective teaching the more fiery, metal-y art forms.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

Dive bar built out of the remains of a whaling ship.

Antiques by the Bay.

A vast city of the dead, where the deceased outnumber the living by more than a million.

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.

An vast warehouse of everyday treasures in Berkeley, CA.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

Oakland's beautiful monumental cemetery.

9,000 square feet of vintage and modern mechanical toys, dioramas & sideshow curiosities.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A modern mechanical planetary system, part of a 10,000 year clock.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.