The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This automated sculpture of two men peeing will spell out text messages with their micturition.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

The first museum in the world devoted to sexual gadgetry.

The record holder for the world’s largest peach.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Granite outcropping that the state's tourism bureau doesn't promote because of its delicate ecosystem.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

The world's largest fire hydrant is supposedly tornado-proof.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

An underground magnet for ever-changing street art.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A historic covered bridge, only one of two remaining in North Carolina.

The first statue of Christ sleeping on a bench in the United States confused its affluent parish.

Amazing pre-Civil War ruins alongside a shallow, rocky river that hosts beautiful (but endangered) lilies.

A psychological self-portrait in the form of a giant, segmented head.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

This replica of the Greek structure is in the heart of Nashville.

Elevated freight railway turned wildly successful urban park.

Famously misunderstood wonder of the ancient world