Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A world of craftwork elegantly curated in a historic brick warehouse.

An unfinished rail tunnel that has since been used to house cheese and bats.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

A circus legend leaves an unexpected endowment.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

A super-sized promotional trick that is now a D.C. landmark.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

A 19th-century shrine covered with prosthetic body parts as votive offerings.

A local dive where religious kitsch, Southern identity, and queer culture collide.

This stone is a marker of one millionaire's personal vendetta against gravity.

Secret gardens just a few miles from downtown Atlanta.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A classic carnival ride that was carved to be untouchable.

Touch an actual dinosaur bone at this eclectic trove of Rocky Mountain treasures.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

A mysterious "wedding cake" castle in the middle of the urban desert.

This interpretive path lets you get up close and personal with dinosaur bones.

This super steep hike ascends 2,000 feet in less than a mile.

This giant spider sculpture made from the iconic car is one giant visual pun.

The famous greeting card maker owns a collection of paintings by the famed surrealist.

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