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.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The island residents are known for taking their quirky sense of humor with them to the grave.

This kitsch eatery is chock-a-block with bric-a-brac.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The only working large-scale tea plantation in the United States.