This historic Victorian hotel has a scandalous history of affairs and murder.

France's most famous cemetery, with some of its most curious tombs.

Hear the quietest sound from across the dome.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Elevated freight railway turned wildly successful urban park.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Furniture tries to escape an abandoned building in San Francisco.

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

A modest reminder of treacherous waters at the Golden Gate.

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

A monumental cross hides in the trees in Golden Gate Park.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

A 140-year-old castle with underground caves hidden in San Francisco.

A giant Troll lurks under one of Seattle's oldest bridges.

This former coal gasification plant found a curious second life as a popular public park.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

A famous flea market artist's studio that's full of odds and ends.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A multi-storied adobe complex has been inhabited for more than a thousand years.