An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

France's national museum of scientific and industrial instruments.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This massive blockhead sculpture hides an entire library.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A 131-year-old wunderkammer of Texas history.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

Some islands... they come, they go, especially on Lake Travis.

A grove of colossal man-made flowers built to collect the sun's rays.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

Week-long block party becomes a competition for the best decorated street.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

It houses the remains of a 17th-century version of the Titanic.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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