An abandoned stretch of highway, deteriorating next to the operational one.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

A local prank turned town icon.

An underground blaze turned this village into a ghost town.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A toxic ghost town sitting atop a massive coal fire.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

The largest interactive exhibition in the U.S. exploring human history through the lens of power, punishment, and psychology.

This impressive Boston holy house is the American mecca for Christian scientists.

Historic Hull Street was actually the first street with a proper name in the Boston area.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The site of Paul Revere's historic two lantern warning.

Less a museum than a bizarre fantasy world created by artists and engineers.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Four ionic columns from the Treasury Department building ended up in a park in Nebraska.

A market for witches is hidden within a train station.

An unexpected desert oasis in South America.

This French colonial post office is arguably the grandest in all of Southeast Asia.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Home to the world's largest collection of ancient Champa's sculptural works, featuring many Hindu and Buddhist deities.

Vietnam's largest Buddha statue depicts a female sage.

One of Ayutthaya’s most iconic locations is a mysterious, hauntingly surreal miracle.