The only Bahá'í house of worship in North America and one of only a handful worldwide.

These mysterious ruins are hidden amid this sleepy coastal city.

Art Deco stylings conceal the true nature of this bridge.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

The fragmented remains of a massive public bath connected to the city's water supply.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

These unusual rooms on wheels are holdovers from the 1960s.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

A taste of Middle Earth, in the middle of the Bayou City.

Eighteen miniature death-scene dioramas.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The United States Capitol's former columns still stand.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

A man throwing a giant severed hand towers over Antwerp’s main square.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

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

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.