The longest escalator in the Western Hemisphere takes over three minutes to ride down.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

An unassuming 13-acre park is home to over 12,000 roses.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

An artist's mausoleum with a haunting echo.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

This free, take-a-book shop seems like a trick but isn't.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A museum dedicated to exhibiting remarkable outsider art.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

"The Most Boring Road in the State."

This public baseball field is a beloved remainder from of one of the most historic stadiums in the country.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.