A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A replica of the flagpole that gave a frontier town its name.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

A micronation on an islet along the coast of a Portuguese island.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

Crafted from ocean litter, this sculpture highlights the ills of overconsumption.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Massive galleon from a box-office bomb docked in Genoa.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

This interactive museum highlights the history and philosophy of one of the world's most difficult sailing races.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

This replica of Columbus's famous ship houses the history of La Palma's maritime importance during the Age of Exploration.

A statue commemorating the island's tradition of dancing dwarves in Napoleon hats.

A former 16th-century monastery houses a museum dedicated to the island and its culture.

These wooden balconies that are both decorative and functional.

This modernist building is the last remnant of an ambitious plan to restore a neighborhood.

This public elevator links the lower city to the upper city of Salvador.