A rare survivor from the age of plagues.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

The indecision over what to place in this square was immortalized with a plaque.

This Renaissance square was at the center of Leonardo da Vinci's map, the first ichnographic ever.

Legends, sculptures, and unique tombs can be seen lurking in these connected cemeteries.

An unnatural lake in a naturally beautiful setting.

The reconstruction of this prominent building fulfilled a long-written command.

An eatery within the Minneapolis American Indian Center writes colonial ingredients out of the story of Native American cuisine.

Dozens of Soviet-era trains and carriages fill this outdoor museum.

Walk through the history of a Dutch truck manufacturer, from 1928 to today.

A quaint amusement park now sits, rusting and forgotten among the foliage.

This rare aquatic phenomenon is one of the more accessible tidal bores in Morecambe Bay.

These wondrously illuminated caverns extend under the mountains of the Fukushima Prefecture.

A unique museum dedicated to culture and artistry of carpet weaving.

A colossal statue with a controversial past, forgotten for more than 30 years.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

At this archaeological site, visitors can explore the ruins of the capital of the former Roman province of Moesia.

Originally slated to become a luxurious resort, this structure is now a graffiti haunt reclaimed by nature.

The oldest church in Mantua was buried for centuries under the facades of other structures.

One of the world's oldest continuously operating meteorological stations sits on a hill in Stockholm.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

A hidden gem in the middle of the city's infamous Jewelry Quarter.

Although their purpose is unknown, these ancient Roman supporting arches showcase Hellenistic ingenuity.