A massive sea stack famous for its appearance in The Goonies.

Only known mainland rookery of the threatened Stellar sea lion.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

On the Oregon coast is a natural hole that seems to be draining the sea.

This frequently-photographed waterfall takes only a short hike to visit.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

There's something big lurking beneath the surface of this tiny Oregon park.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

An enormous park-like oasis, full of famous Chicagoans’ graves.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A Bibliophile's Dream.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”

The trials and tribulations of marking Poe’s grave.

The site where Poe “in great distress, and ... in need of immediate assistance” likely died.