Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

The library of every book lover's dreams.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

One part local history, 99 parts gruesome haunted house.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

Why have you never heard of the second most popular tourist site in New York?

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

Elvis's own personal tropical hideaway.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

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

A huge musical instrument played by the ocean.

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

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

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

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

The magic's in the hole!

A house carved into a rock in the 1940s.

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

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.