Beneath the city of Lourdes, France is a massive, concrete church.

The encased skull that is widely believed to belong to St. John the Baptist.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The oldest continuously operating church in California.

Luxurious devotion and 500,000 images of Buddha in Myanmar.

The oldest surviving synagogue in New York City is now a soaring art space.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

This general store is more than a century old and home to various oddities and antiques.

One of the only memorials dedicated to journalists who died in combat.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Time travel with sweets across history at this research-based candy store.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

This abandoned amusement park was built on a site with a dark history.

Explore the legends surrounding these mythical sea creatures inside this museum.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.