A second generation sun-powered marvel lights up the night.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Where layer cakes tower above one’s head and there is never a shortage of icing.

This Oaxacan town is known for its colorful fantastical creatures hand-carved by local artisans.

This often-overlooked ocean walkway was once considered an impossible fantasy.

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.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

This Roman arena once played host to bloody gladiatorial battles.

This ancient amphitheater was restored in the early 1990s.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A massive marble foot is tucked away in a small alley near the Pantheon.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A lone gunner's station is all that remains of a replica Spanish Fort in Florida.

A circus legend leaves an unexpected endowment.

This Florida resort community is where the Amish come to have fun in the sun.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.