A brutalist war memorial piercing through the rolling farm landscape.

The Reagan Peace Garden at Eureka College features a chunk of the Berlin Wall.

An exhibition devoted to the life (and posthumous taxidermy form) of the last known representative of the Pinta Island Tortoises.

A UNESCO-protected spiritual seat of the Old Serbian Kingdom and Empire.

A perfectly preserved small-town pharmacy and soda fountain that opened in the early 20th century and closed in the 1980s.

Former private property that was hidden up a trail in the woods with thousands of bright yellow daffodils.

This museum celebrates the history of Japanese advertising, from feudal business tricks to modern T.V. commercials.

An art installation that will challenge your understanding of reality and perception.

This museum-within-a-museum pays tribute to "The World's Most Experienced Airline."

A wonderland of caves in eastern Iowa.

A pair of giant stone heads represent the ancient Roman saints beheaded here.

This lighthouse sits within a glacial valley.

A series of magical limestone formations along the coastline of the country island of Antigua.

An early 20th-century fire lookout, still in intermittent use, preserves legacy fire-locating equipment.

Two well-preserved charcoal kilns survive in a remote part of eastern Nevada.

Designed by Gustave Eiffel before his famed tower.

Colorado's only active volcano last erupted around 4,000 years ago.

An unusual building on a "desolate hill" features the works of an Icelandic sculptor.

Luxembourg's first beer museum honors the Grand Duchy's contributions to the art and science of beer-production.

The lasting remains of the region's once booming cement industry.

This solitary convex mirror sculpture at an abandoned ferry station at the edge of a fjord reflects the scenery back at the viewer.

At night, this memorial illuminates a ghostly outline of a footbridge that connected two sections of the Warsaw Ghetto.

An intricate network of underground tombs carved into volcanic rock.

How a bat poo mine became a major Native American archaeological site—and connections to legendary red-haired giants.