This shrine commemorates the site of the first known Catholic mass in the United States.

An Orlando museum houses the world’s most comprehensive collection of work by Louis Comfort Tiffany.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A wall of chewing gum moonlights as collective art.

This Seattle joint serves food inside an old train car once used by FDR.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.

Electrical pylon in the shape of Disney's beloved mouse.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

St. Augustine's record-setting narrow street was designed to protect against pirates.

One man's prolific, decade-long quest to turn trash into artistic treasure.

A haunted hill that supposedly defied gravity.

The snowbirds here are circus sideshow performers.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

A vast array of tropical plants collected by a vacationing couple.

This home is decked out like a psychedelic explosion of colors and bowling balls.

This surreptitious shop is only open five hours per week.

The 10,000 Torii shrine.

This painted marvel is San Francisco's 400-foot ode to urban biking.

These subterranean storage areas hold emergency water reserves.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

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

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”