Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

The remains of Canada's earliest Chinese pioneers are interred along this picturesque point.

This quirky piece of naval artillery has been deafening Canadians for over a century.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

This sign designates the road that leads to the infamous Area 51.

Named after an outlaw who used the basin as a hideout.

Inside the Wayne County airport is an amazing collection of lights and sounds.

This incongruous small ferry across the Willamette River north of Salem, Oregon has been operating continuously since the 1850s.

On the outskirts of an opal-mining town, these baths fed by a massive underground aquifer are a natural spa.

This weird, elephant-shaped rock also hosts two ancient tombs.

The natural hot spring that was integral to the creation of Canada's first national park.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

A breathtaking 19th-century trail overlooks Lake Tahoe.

This quiet park's strange sedimentary spires were named after Kodak's color film.

This ancient market is often referred to as the oldest shopping mall in the world.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

This curious, round temple is the oldest still-standing marble building in Rome.

This town is home to the world’s largest arch constructed entirely of elk antlers.