This unconventional used book store was once in the news for the surprising act of burning books.

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

A "simple-hearted artist" turned an isolated Icelandic valley into his own art museum.

The alley connecting two of country music’s most historic venues has a rich history of its own.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

These five houses were built for the 1933 Chicago World’s Fair.

The relics are stored in a silver reliquary, where they can be seen through glass.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A corkscrew-shaped barn in Ireland.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

One person’s lost luggage is another person’s treasure.

A curiosity-seeker's paradise set inside a three-story historic school house.

This huge clock made of flowers and simple machinery was once used a political weapon.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

An exotic wildlife habitat right off The Strip.

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

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

Explore the dark underground corridors of this graffiti-covered former military fortification.

A forsaken wonder in the middle of the East Side neighborhood.