A famous pilgrimage site that remains hidden in the midst of a city.

This wildlife trust is dedicated to orphaned elephant rescue and conservation.

Running through lush forests and across the Tadami River, this train line offers breathtaking views of rural Japan.

This beautifully restored fortification kept the city safe for centuries.

This indie movie theater is one of only three surviving Mayan-themed theaters designed by “Detroit’s greatest theater architect.”

For nearly 50 years this airplane that crashed during World War II remained missing in the remote Australian backcountry.

One in a pair of subterranean caves created by an ancient eruption of Mount Fuji.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

This scenic fortress dates back at least 2,400 years to the time of Magna Graecia.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

A centuries-old iron mine is now a paradise for explorers, divers, and spelunkers.

Inspired by the colossal pyramids at Giza, this 15-foot structure is believed to be the first funerary pyramid in Great Britain.

More than 20,000 salt and pepper shakers from across the globe call this museum home.

Modernist design and funerary customs meet Spartan traditions in this one-of-a-kind graveyard.

This dazzling Art Nouveau mansion is now home to the Modern Art Gallery Subotica.

The remnants of a WWI naval mine that once terrorized the country now decorates a street.

It took years to decode its mysterious messages.

No one knows how or why this painting appeared to produce crystallized tears.

This center in the Rwandan capital supports women’s livelihoods while educating visitors about traditional cooking, craft making, and more.

A small Wyoming town is home to the state's oldest-operating soda fountain.

A diminutive, thousand-year-old church believed to be the smallest in Ireland.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

This church is named for one of the most dramatic tales in the early Christian church.

More than 150 working bells from churches and one-room-schoolhouses across the Great Plains are assembled in one man's yard.