In 1911 this intersection was called "the heaviest corner in the South," and outlandish claim that only grew wilder over the years.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

A castle-inspired apartment building that has stood in Birmingham since 1927.

This fountain was commissioned by a mother grieving over her son's passing.

Hiding in plane sight.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

148 feet long and in the middle of a verdant forest.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

This two-room shotgun shack in Tupelo is the birthplace of a King.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

Location of a reliquary containing bone fragments of 18 saints.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

A museum in the former home of Marxist revolutionary Leon Trotsky.

Frida Kahlo's childhood home, now a museum of her life and works.