This unreal Portuguese palace looks as though it's made from a pile of different castles.

The stunning interior of this Gothic church is covered in ornate gold details.

Ancient catacombs form the foundation for this Rococo orgy of a church.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

A multiversal transit station located right below a highway interchange.

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.

This 28-foot-tall milk can contains one of the most whimsical ice cream parlors in town.

This decrepit abandoned building is made all the more eerie by its dark history.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

A giant sculpture head with an optical illusion dedicated to the longtime conductor of the Boston Pops.

A pair of antique trolleys are on display at one of the oldest subway stations in the United States.

This mosaic commemorates the oldest subway tunnel and station in the United States.

An inclusive, climate-resilient playground honors the life of a young Boston Marathon bombing victim.

This steep slide at a kids’ playground went viral after an police officer tumbled down it.

The colonial home of Paul Revere during the American Revolution.

Interactive museum complete with costumed re-enactors and the only known surviving chest from the Boston Tea Party.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

Harry Houdini plunged into the Charles River and performed one of his escape acts here in 1908.

Created by a local artist, these quirky sculptures each have their own names and personalities.

A grave surprise in the downtown area of New England's second-largest city.