Home to a timed geyser created by complete accident.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

On the Oregon coast is a natural hole that seems to be draining the sea.

Two massive rock outcroppings on the Oregon coastline.

A massive sea stack famous for its appearance in The Goonies.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

What happens when a chef with indigenous roots takes over a hotel-restaurant?

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

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

The unexpectedly beloved remnants of a controversial thermal power plant.

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

Historic medieval fortified city in southwest France.

A journey through the history of medicine throughout the centuries.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A plaque is all that remains of a lost Oxford transport hub.