A station built to repel pirates now attracts wealthy vacationers.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

As its grandiose name implies, this wooden dome is unsurpassed in size.

A 18th century graveyard and its astonishing cortege of macabre iconography.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Three bridges straddle a stream, one stacked upon the other.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Glass and concrete building designed by Albert Kahn.

San Francisco's newly reopened hands-on science museum.

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

The only surviving prototype for Buckminster Fuller's house of the future.

Singapore's landscaping project is home to 18 incredible Supertrees.

The bones of an old zoo crumbling in the shadow of a new one.

"X" marks the spot of an echo chamber in the middle of a plaza.

A massive Montreal stadium that has seen nothing but trouble since its inception.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

Another in a long tradition of legends regarding infernal seats.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Take a cruise with no movement but plenty of style in this one-of-a-kind boat mall.