This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

This freshwater spring fills with 10,000 gallons of water per minute.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

Abandoned railway line circling the city of Paris.

A haunting—but not haunted—chapel remains in the woods.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Mysterious library of an infamous financier and spiritual seeker.

Dine on superb local staples in a converted historic church.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

Not only is this nature preserve the largest protected freshwater island on the East Coast, but it’s also a stronghold of Gullah living.

This historic home of the shag is keeping a Southern dance tradition going strong.

A short hike into the mountainside forest reveals a decaying 1890s town.

An isolated "phantom bridge" doomed to crumble into ruin.

Iconic rock formations that allow for exploration during high or low tide.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

Deep scars on the earth left by the Ice Age.