A church of bones, decorated with 40,000 human skeletons.

Tiny communists hammer away on the Olomouc Astronomical Clock.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

An ancient necropolis of magnificent tombs.

Early prototype for Frank Lloyd Wright's Guggenheim.

Floating man-made island and upscale restaurant.

An invitation-only museum of items natural and bizarre, arcane and exotic.

Furniture tries to escape an abandoned building in San Francisco.

The oldest lawn bowling club in the United States.

San Francisco’s condensed garden of incredible plant growth.

A quiet marker in memory of local men and women lost in WWI.

San Francisco’s century-old Christmas Tree.

A playing field for a popular French past time can be found tucked away in a quiet corner of Golden Gate Park.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.