Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

A collection of collections ranging from dentistry to minerals.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

A subterranean house of worship carved right out of the bedrock.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One part antique store, one part curiosities hodge-podge.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

A priceless work of art created by the saint's own blood sister hangs in a San Antonio basilica.

Amazingly detailed marble cinerary urns that once held the cremains of Roman elite.

For over 75 years, this cute stone statue has warmed the hearts of San Antonio.

An antique horse-drawn hearse provided French luxury for the dead in this Texan town.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

Now abandoned, this East Austin school for the disabled began as the "State Colony for the Feeble-minded."

This stone windmill marks an old, mysterious homestead in what is now central Austin.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

A view-altering observatory at the University of Texas.

This eclectic Austin curiosity shop is home to all things strange and unusual.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

A tiny nondenominational church harkens back to the days of the first homesteaders in the region.