A wacky, UFO-shaped house in a suburban neighborhood.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

A small island hides in plain sight on Austin's Lady Bird Lake.

The statues commemorate the legendary mass killing of escaped circus monkeys.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

Hidden within a Gulf Coast port city is a wonderfully eclectic museum whose beginnings were housed in a bank window.

When it opened during the final years of the embargo, all the drinks and cigars were free.

There’s a hidden military meme engraved on the World War II Memorial.

The "Jade Museum" is full of thousands of intricately carved works of art made from various precious stones.

Chicago’s incendiary role in the labor movement.

The house's confection-like decorations are the result of one man's painstaking work over decades.

One Confederate statue that accurately reflects the ugliness of its subject.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

A research lab and hands-on museum where visitors can experiment with retro technology.

A 19th-century utopian religious society designed to align with the latitude of Jerusalem.

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

A school-themed restaurant where gastronomy is the core curriculum.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.

An autonomous oak in Alabama.

An odd and heartwarming stone marker enshrines the moment a community saved a farmer's pig that fell in a well.

A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.