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

America's first federal monument.

The first home of the doomed aviatrix Amelia Earhart.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The land is home to swimming ponies and a legendary 18th-century treasure.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

Impossibly life-like natural history models created out of glass by a father and son.

A museum dedicated to the alleged Roswell Incident.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

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

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Elevated freight railway turned wildly successful urban park.

Venice's island of the dead.

The spectacular collection of one of the world's best woodcarvers.

The most confusing clock in New York.

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

One part antique store, one part curiosities hodge-podge.

A fitting attraction for the corn capital of the world.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.