Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

This plaque marks the site where the penultimate chapter in the journey of two doomed boys unfolded in an imagined parallel universe.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Every weekend, the parking lot of this Buddhist temple turns into a Thai street-food paradise.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

This building features dozens of faces along its facade, although one is a bit chilling.

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

Described by William Wordsworth as a "World of Wonder."

Legend has it that any woman who kissed this statue would soon be married.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

When the rain falls, this drain system turns into a musical instrument.

Follow the original medieval paths that wind through this intriguing section of the city.

One of the few places to grab a beer in Fez is a former British consulate.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.