A centuries-old church stands as a testament to Boston's "father of architecture."

Dedicated to one of the darkest moments in Irish history.

Historic Hull Street was actually the first street with a proper name in the Boston area.

A mysterious stone embedded at the base of a historic Boston building.

The site of Paul Revere's historic two lantern warning.

The Boston square dedicated to the dark poet who was born nearby.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

An adorably sweet display of sculpted Precious Moments figurines.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

When you can afford only half a road, you build only half a road.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

This former mining town was named the most toxic town in America.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

The oldest active mini golf course in the U.S. has an elegant Art Deco style filled with lush tropical plants.

For over 75 years, this cute stone statue has warmed the hearts of San Antonio.

What was meant as an innocent piece of art has earned a reputation as the "mansplaining sculpture."

A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

These boots are made for selfies.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

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