The hulking remains of the Leesburg Lime Company Kiln lie dormant behind a historical marker close to the W&OD trail.

A comprehensive collection of toy and model trains, largely from the mid-20th century.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Designated as an Underground Railroad research site.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Named for a Greek oracle that interpreted the words of Zeus, this beautifully-restored manor home was once home to the architect of the Marshall Plan.

The only U.S. Senator to die on the field of battle is buried in San Francisco but memorialized at Balls Bluff Regional Park.

The largest cemetery for enslaved people in Loudoun County was almost lost to history, if not for the research of a minister.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

These unusual rooms on wheels are holdovers from the 1960s.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

Where manatees are the snowbird vacationers in these balmy Florida springs.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.