Symbolic attempt to overcome the issues of life.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

An amazing collection of sculptures and art.

14th century Norse artifacts in Northwestern Minnesota could have proved a Viking landing before Columbus.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A toweringly silly piece of modern art has been delighting locals since the 1980s.

These curious caverns have been home to mushrooms, gangsters, and disco.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

A historic presidential getaway on the continental United States' southernmost island.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

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

"We Seceded Where Others Failed."

A monument celebrating the idea of reaching inaccessible places.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

This secret gem of a toy store houses a rideable carousel populated with fantasy animals.