A new sculpture calls attention to climate change in the centuries-old city it threatens.

Two stone columns flank the grand Venice square, but there were supposed to be three.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

Drink wine handed out through a window as part of an age-old tradition.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This downtown Dallas art installation is always on the lookout.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The fifth-longest natural arch in the world, and the longest outside China.

Go inside to really appreciate this 500-year-old technological masterpiece.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

A self-built castle made by a mysterious man.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This erect, phallic geological spire wasn't always named so domestically.

Less a museum than a bizarre fantasy world created by artists and engineers.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.