A supersonic jet stands on a pedestal in this rural village as a monument to military aviation.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

The 400-year-old remains of the samurai invasion of Korea.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

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

Single runway interrupted by a busy road that cuts across its middle.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

A spiritual vortex among the red rocks in Sedona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

One of the few surviving street funiculars in the world.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

A six-ton wedding present for the King of the Scots.

This early version of the guillotine was used to execute the man responsible for its construction.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The lake that fills and empties itself at random.