These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

The slate extracted from these Pennsylvania quarries was once hailed as the finest in the world.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

A five-square-mile slice of Spain on the Mediterranean coast of North Africa.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

A mostly desolate bar on a remote island hosts hundreds of sailors for a few days each year.

The world's only underwater laboratory where "aquanauts" study oceanic life.

This large maar crater in Oregon is the bigger brother to Hole in the Ground.

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

Mysterious meeting place for UFO hunters near Area 51.

The golden Buddha statue at the Wat Muang Monastery is the tallest in Thailand, and the ninth-tallest in the world.

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

A rare example of a German cemetery with traditional grave markers dating back several generations.

The Cape Cod house that whaling built.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

If you dial the number in this abandoned office window "Sam Spade’s" secretary will ask you to leave a message.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

It would take 35 firetrucks to fill this enormous glacial pothole.