A Nesting Doll of Churches.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Architectureal fantasy quarter of Rome.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

A Beaux-Arts triumph set to become Ford's innovation campus

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.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

Faceless white figures loom over the city from the rooftop.

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

A hidden subterranean installation offers a view of the sky.

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

Tiki luxury on Nob Hill.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The stoutest tree in the world.

CDMX's home for the world's culinary delights.

This beautifully deceptive waterfall is something far different from what it appears to be.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.