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

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The oldest stone house in Paris was built by its most famous alchemist.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The summer home of the largest colony of bats in the world.

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

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

These boots are made for selfies.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.

Free public park and gardens filled with peacocks and peahens.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

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

Turning night into day in Victorian-era Austin to thwart a serial killer.

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

A grove of colossal man-made flowers built to collect the sun's rays.

The world's tallest statue of an American hero.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A modernist landscape of water and sci-fi concrete.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

See the sky in a new way through this art installation.