Featuring one of the oldest collections of historic musical literature in the world.

This abandoned concrete building was once hailed as an innovative architectural marvel, originally built to store sugar.

Hike up to this abandoned hotel for one of the best panoramic views of the island of Gozo.

These 19th-century gas tanks were remade into an apartment complex.

This rudder is one of the few remnants of a shipyard that once operated on the banks of the Potomac River.

A monument marking the first airplane flights in Japan hints at the dark history behind its peaceful park setting.

These clocks tell time in a theological sense.

Local legend associates this large limestone chunk with a giantess, but archeologists say it may be the remains of a neolithic burial chamber.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.

This hill is all that remains of Cambridge’s former castle.

On the outside of the Mersey Tunnels, an Art Deco sculpture of an Egyptian Pharaoh wears goggles and racing gear.

A building claimed to be London’s smallest house has an obscure history.

With a history stretching back to the 16th century, this pub has a few stories to tell.

An eerie natural formation that looks right back at you.

Nothing to see here.

A surreal, interdimensional shopping center and portal to another universe by Meow Wolf.

Sweden's largest remaining gantry crane is a relic of Gothenburg's industrial past.

This sprawling, Brutalist estate feels like a city within a city.

Hawaii’s largest cemetery rests inside an extinct volcano crater.

One of Oahu’s best snorkeling and diving spots was created by warm water discharged from the nearby power plant.

Mysterious texts covered in mystical symbols were found in caves at this site centuries ago.

See reconstructed Spitfires and other World War II-era planes in a hangar originally used by the Royal Air Force.

Estimated at over 1,000 years old, one of Malta's oldest trees serves as a living link to its ancient past.