A statue honoring 44 continuous years of greeting passing ships.

An eerie smiling woman looms above the granite tombstones.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

San Francisco's newly reopened hands-on science museum.

A historic neighborhood church is reborn as a psychedelic arts collective.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Sniff the Titan Arum's rotting flesh.

Special benches that play Chopin's music are scattered throughout his native city.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

Atop this library is one of the most beautiful green spaces in Warsaw.

At night, this memorial illuminates a ghostly outline of a footbridge that connected two sections of the Warsaw Ghetto.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

This antique thermometer honors the creator of the first universal temperature scale.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

St. Augustine's record-setting narrow street was designed to protect against pirates.